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

Problem: Who cares what is in those tax returns? A false issue created by those who wish to manipulate voters. Sorry Paul, your partisan diatribes demonstrate that the Swedes that gave you your noble prize have lost touch with reality.
Solution: No