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: I agree.  The economy grew at a meager 1.4% last quarter.  Most of these  new jobs are minimum wage, part time, with no benefits.

If a Republican had turned in seven years of this poor performance the RG editors would be appoplectic.
A:
No