Categorize the comment on the basis of obscenity. If the comment is obscene output Yes, otherwise output No.
One example: Will this remove the property from city taxes?
Solution is here: No
Explanation: The comment here is just a normal question without any indecent words and categorized as not obscene. Hence, it is a positive example

Now, solve this: Well-trolled, indeed. As far as Civil Comments goes, this seems like the best crucible there could be. And as far as Star Wars vs. Star Trek goes---nothing could ever touch Han Solo. The end.
Solution:
No