Li Fan, a 21-year-old understudy, endeavored suicide in the wake of posting a short message on the Chinese Twitter-like stage Weibo soon after Valentine's Day. 

"I can't go on any longer. I'm going to surrender," he composed. 

Before long, he lost cognizance. 

He was paying off debtors, had dropped out with his mom and was experiencing serious sorrow. 

Some 8,000km (5,000 miles) away from his college in Nanjing, his post was distinguished by a program running on a PC in Amsterdam. 

It hailed the message, provoking volunteers from various pieces of China vigorously. 

At the point when they were not able animate Mr Li from a remote place, they detailed their worries to nearby police, who inevitably spared him. 

It may sound unprecedented yet this was only one of numerous such accomplishment for the Tree Hole Rescue group. 

The activity's organizer is Huang Zhisheng, a senior man-made brainpower (AI) analyst at the Free University Amsterdam. 

In the previous year and a half, his program has been utilized by 600 volunteers crosswise over China, who thus state they have protected about 700 individuals. 

"In the event that you delay for a second, a great deal of life will be lost," Mr Huang disclosed to BBC News. 

"Consistently, we can spare around 10 individuals." 

The main salvage activity was on 29 April 2018. 

A 22-year-old understudy, Tao Yue, in northern China's Shandong area, composed on Weibo she wanted to kill herself two days after the fact. 

Peng Ling, a volunteer from the Chinese Academy of Sciences, and a few others responded. 

Ms Peng disclosed to BBC News they had discovered a telephone number for one of understudy's companions by means of a previous post and passed the data to the school. 

"I attempted to message her before rest and revealed to her that I could lift her up," she said. 

"She included me as a companion [Chinese app] WeChat and step by step quieted down. 

"From that point forward, I have kept mind her to check whether she is eating. We likewise get her a lot of blooms through the web once every week." 

After this achievement, the group protected a man who had attempted to hop off a scaffold and spared a lady who had attempted to execute herself subsequent to being explicitly mishandled. 

"Salvages need both karma and experience," said Li Hong, a Beijing analyst who has been included for about a year. 

She reviewed how she and her partners had visited eight inns in Chengdu, so as to find a self-destructive lady they had known had booked a room in the city. 

"Every one of the receptionists said they didn't have a clue about the lady," Ms Li said. 

"Be that as it may, one of them wavered for a minute. We expected it must be that lodging - and it was." 

So how does the framework work? 

The Java-based program screens a few "tree gaps" on Weibo and investigations the messages posted there. 

A "tree opening" is the Chinese name for places on the net where individuals present insider facts for others on read. 

The name is enlivened by an Irish story about a man who trusted his insider facts to a tree. 

One model is a post by Zou Fan, a 23-year old Chinese understudy who composed a message on Weibo before murdering herself, in 2012. 

After her passing, a huge number of different clients added remarks to her post, expounding on their own issues, along these lines transforming the first message into a "tree opening". 

The AI program consequently positions the posts it finds from one to 10. 

A nine implies there is a solid conviction a suicide endeavor will be made in a matter of seconds. A 10 implies it is probably going to be as of now under way. 

In these cases, volunteers attempt to call the police straightforwardly and additionally contact the individual included's family members and companions. 

Yet, on the off chance that the positioning is underneath six - which means just negative words have been recognized - the volunteers typically don't mediate. 

One of the issues generally experienced by the group is a conviction among more seasoned family members that downturn isn't a "major ordeal." 

"I realized I had sadness when I was in secondary school however my mom disclosed to me that it was 'totally unimaginable - don't consider it any longer'," Mr Li revealed to BBC News. 

The AI program additionally found a post from a young lady, saying: "I will execute myself when New Year comes." 

Be that as it may, when the volunteers reached her mom, they said she had scoffed and stated: "My little girl was exceptionally glad seconds ago. How could you say she is arranging suicide." 

Significantly after the volunteers indicated proof of her little girl's downturn, the mother didn't pay attention to the make a difference. 

It was simply after an episode where the police needed to stop the adolescent hopping off a housetop that the mother altered her perspective. 

Long venture 

Regardless of its triumphs, Mr Huang recognizes the points of confinement of his task. 

"Since Weibo limits the utilization of web crawlers, we can just assemble around 3,000 passages consistently," he said. 

"So we can just spare a couple of a day by and large and we decide to concentrate on the most pressing cases." 

Another issue is that a portion of those safeguarded require a long haul responsibility. 

"The vast majority of my life currently is involved by these safeguarded individuals," Ms Li said. 

"Now and again I get drained." 

She said she was as of now in contact with eight individuals who had been saved. 

"I need to answer [to] them not long after they send me a message," she said. 

Some colleagues additionally attempt to give assistance disconnected. 

For instance, one AI teacher is said to have gotten an information naming line of work for one individual found to have a social-nervousness issue. 

There is likewise the issue that self-destructive contemplations can return. 

Ms Peng gave the case of one adolescent who had "looked better every day" in the wake of being saved however then killed herself. 

"She was conversing with me about getting another photograph picture on Friday," Ms Peng stated, including that two days after the fact the lady was dead. 

"It's a major stun to me that an individual you coexisted with over quite a while all of a sudden isn't there." 

On the other hand, Mr Li stays solid and now works at an inn. 

"I like this activity since I can speak with a wide range of individuals," he said. 

He included while he was energetic about the salvage group's endeavors, at last it was dependent upon every person to accomplish a long haul arrangement. 

"Various individuals' delights and distresses are not totally interlinked," he said. 

"You should vindicate yourself." 

Representation planned by Davies Surya 

In line with the interviewees, the names of the protected individuals included have been changed.