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.
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Question: Sentence: In the end , they drive off , listening to the radio . 
Question: How long was the drive?

Answer: Yes.


Question: Sentence: Radio Televizioni Shqiptar (RTSH) is the public radio and TV broadcaster of Albania, founded by King Zog in 1938. 
Question: Is King Zog still living?

Answer: Yes.


Question: Sentence: The scout ship re-emerged from the hole - a brilliant speck emerging from a sphere of velvety blackness. 
Question: How many times did the scout ship re-emerge from the hole?

Answer:
Yes.


