Definition: The answer will be 'yes' if the provided sentence contains an explicit mention that answers the given question. Otherwise, the answer should be 'no'. Instances where the answer is implied from the sentence using "instinct" or "common sense" (as opposed to being written explicitly in the sentence) should be labeled as 'no'.
Input: Sentence: The Persian Gulf War destroyed much of the country's medical infrastructure, according to a report by the World Health Organization. 
Question: How long did it take the Persian Gulf War to destroy the country's medical infrastructure?

No.