Categorize the comment on the basis of obscenity. If the comment is obscene output Yes, otherwise output No.

[EX Q]: Idiot. The First Amendment also applies to public universities. This isn't a matter of debate, open a book or use a search engine.
[EX A]: Yes

[EX Q]: yes, it is pathetic to jump on, post a "Trumper-like" comment without any information, facts or even a justification.
[EX A]: Yes

[EX Q]: Medicaid expansion is a boondoggle, but we need to expand it to educate everyone as to what a failure it will be. The newly "covered" Medicaid folks will not have much access to physicians or specialists. ER visits will go up and hospitals will get paid a bit for what was formerly charity work. Let it go! Expand it. It won't do what its supporters claim but you can't tell them anything. Let it go!
[EX A]:
No