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.

Example Input: Sentence: 'a woman is bouncing a tennis ball with a racket'. Is 'ball' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a little girl in a purple coat watches the polar bears'. Is 'watches' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a produce stand with many fruits and vegetables'. Is 'fruits' the longest word in the sentence?
Example Output:
No