In this task, we ask you to write an answer to a question that involves “event duration", based on a given sentence. Here, event duration is defined as the understanding of how long events typically last. For example, “brushing teeth”, usually takes a few minutes. Note that a lot of the questions could have more than one correct answer. We only need a single most-likely answer. Please try to keep your "answer" as simple as possible. Concise and simple "answer" is preferred over those complex and verbose ones.

Input: Consider Input: Sentence: After the second World Trade Center crash, Boston Center managers recognized that both aircraft were transcontinental 767 jetliners that had departed Logan Airport. 
Question: How long did it take Boston Center managers to recognize the jetliners?

Output: an hour.


Input: Consider Input: Sentence: About 30% of Ratners's profit already is derived from the U.S. 
Question: How long did it take to make profit?

Output: 3 months.


Input: Consider Input: Sentence: Max and Joey would often run through fields in a game of chase. 
Question: How long would they run through the fields?


Output: max and joey ran 20 minutes through the fields.


