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: Funny thing is if you take the helicopter trip and land on the Glacier, they talk about the other glaciers in the area that are actually growing in size. That doesn't fit some ones agenda at the visitors center I would assume, so they leave that part out.
Solution: No