TASK DEFINITION: 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.
PROBLEM: Sentence: At NEADS, the report of the hijacking was relayed immediately to Battle Commander Colonel Robert Marr. 
Question: How long did it take to relay the threat?

SOLUTION: Yes.

PROBLEM: Sentence: He them imprisons the royal family in his prison . 
Question: Were the royal family members ever sent back to prison?

SOLUTION: No.

PROBLEM: Sentence: Still , Preetam vows to marry Nandini if she meets him again . 
Question: How long had they known each other?

SOLUTION:
Yes.

