Categorize the comment on the basis of obscenity. If the comment is obscene output Yes, otherwise output No.

Example Input: Nope.  Just insatiable eclectic curiosity.
Example Output: No

Example Input: This tax raises $21 million a year when according to the city they need at least $200 million a year over ten years to deal with the decades long neglect to our streets.   Until the council comes up with priority budgeting out of existing revenue streams (utility franchise fees and general fund money) of at least $100 million annually this accomplishes absolutely nothing.  JUST VOTE NO on this idiotic scheme.
Example Output: Yes

Example Input: Glad to hear there were no injuries.
Example Output:
No