In this task, you need to answer 'Yes' if the given word is the longest word (in terms of number of letters) in the given sentence, else answer 'No'. Note that there could be multiple longest words in a sentence as they can have the same length that is the largest across all words in that sentence.

Q: Sentence: 'people are in the mountains taking a walk at a park'. Is 'a' the longest word in the sentence?

A: No
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Q: Sentence: 'four plates of fresh food on a wooden table'. Is 'of' the longest word in the sentence?

A: No
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Q: Sentence: 'woman playing with a umbrella in front of a man who is holding his hands out'. Is 'umbrella' the longest word in the sentence?

A:
Yes
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