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 person that is standing on a snowboard'. Is 'a' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a person is holding a tennis racket on a court'. Is 'holding' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a small dog sitting on a stool by a chair'. Is 'a' the longest word in the sentence?
Example Output:
No