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.

Example Input: Sentence: Lucrezia is an honorable woman and does not at first agree to meet with the stranger .
Question: Is lucrezia an honorable woman today?
Example Output: Yes.

Example Input: Sentence: Diggler became a prominent model and began appearing in pornographic films , after Which his career took off .
Question: Was Diggler still a model in her 40s?
Example Output: No.

Example Input: Sentence: The person may walk a half mile in the wrong direction!.
Question: How does the person walk in the wrong direction?
Example Output:
No.