A question that is free of any grammatical or logcal errors, should be labeled 'yes', otherwise it should be indicated as 'no'. A question is grammatically correct if all its entities i.e. nouns, verbs, adjectives, prepositions, pronouns, adverbs are at appropriate position. A question is logically correct if the semantic makes sense.

Sentence: Martinez works two jobs as a physician's assistant and supports his elderly parents and 8-year-old son. 
Question: How often does Martinez work?
Yes.

Sentence: He claimed it was more important for Muslims to kill Americans than to kill other infidels."". 
Question: What happened after he began his claim?
Yes.

Sentence: All the puppies at the dog pound need a loving home. 
Question: How often are puppies adopted at the dog pound?

Yes.

