Categorize the comment on the basis of toxicity. If the comment is toxic (harmful, malicious, derogatory, threat, insult, identity attck, etc.) output Yes, otherwise output No.
One example is below.
Q: haha you guys are a bunch of losers.
A: Yes
Rationale: The comment here has word 'losers', which is used as an attack on a subject in the comment. Hence, it is a positive example
Q: "David Strahan -- Homeless Camp Support:
Please help debunk the myth that the homeless leave messes. This is a picture yesterday of where members of OUR COMMUNITY lived. A dead end, unused by anyone except those without homes. Before the recent group of harassed homeless left here they and their supporters cleaned this area of all the garbage that was left there by others. The only remaining trash belongs to mean spirited city employees who posted no camping signs."

https://www.facebook.com/photo.php?
fbid=10207820705691146&set=gm.774911695974543&type=3&theater
A:
No