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 London at mid-afternoon yesterday, Ratners's shares were up 2 pence (1.26 cents), at 260 pence ($1.64). 
Question: What time did the rise happen?

Answer: No.


Question: Sentence: The person may walk a half mile in the wrong direction!. 
Question: How does the person walk in the wrong direction?

Answer: No.


Question: Sentence: This means it is not moving yet, but it has the potential to move. 
Question: How long does the potential energy last?

Answer:
Yes.


