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: "the stated purpose of the superdelegate system is to tilt the playing field away from candidates who aren't approved by the establishment."

Where was that stated? And keep in mind that the superdelegates have always supported the candidate with the most pledged delegates which in this case is Ms. Clinton.
A:
No