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: Excuse me, what did any of you have to do with implementing the permanent fund? Keep hands off "your" permanent fund? God forbid you pay taxes for roads, schools, police & fire protection. This state has come a long long way in the almost 40 years since "Oil In" Day (1977). None of that money is "yours". Look at the property taxes paid in the lower 48 and then look at yours. I was here when we got rid of the State Income Tax and the School Tax and it was minimal. Suck it up and be a real Alaskan. Or freaking go home.
Solution:
Yes