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: , followed by other ports at Hyères, Antibes, and Nice. 
Question: How often do you go to the ports?

SOLUTION: No.

PROBLEM: Sentence: He them imprisons the royal family in his prison . 
Question: How many times was the royal family in prison?

SOLUTION: Yes.

PROBLEM: Sentence: Sarawak's coast and jungle interior were controlled by the Iban — Sea Dayak pirates and Land Dayak slash-and-burn farmers. 
Question: How long did it take for the Iban to take control of Sarawak's coast?

SOLUTION:
Yes.

