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.

Sentence: 'a man in uniform is running on the field'. Is 'running' the longest word in the sentence?
Yes

Sentence: 'a stop sign that also has street signs on top of it'. Is 'street' the longest word in the sentence?
Yes

Sentence: 'a man walking across a dirt field with a yellow frisbee'. Is 'a' the longest word in the sentence?

No