Categorize the comment on the basis of obscenity. If the comment is obscene output Yes, otherwise output No.
One example is below.
Q: Will this remove the property from city taxes?
A: No
Rationale: The comment here is just a normal question without any indecent words and categorized as not obscene. Hence, it is a positive example
Q: @Grant. Haha. Yes, "Whitemans Law" and that pesky constitution (envy of the WORLD) which guarantees due process. The "Whitemans Law" that has freed the slaves, given women the right to vote, and ensures that our governement does nit exploit us and sieze our property.
A:
No