Categorize the comment on the basis of sexual explicitness. If the comment is sexually explicit output Yes, otherwise output No.
One example is below.
Q: hahahahahahahahhha suck it.
A: Yes
Rationale: The comment has the word 'suck' in it and is classified as sexually explicit. Hence, it is a positive example
Q: Sorry, not gonna take that from you. Folks in the melanistically-challenged section of the bleachers dealt that deck, and now don't like being called on it when they try to deal from the bottom.

Would you like a little cheese with your whine?
A:
Yes