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 brown and black cat is sitting on a floor next to a fish bowl'. Is 'on' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a man holding a towel looks around while his dogs relax'. Is 'holding' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a microwave oven sitting on top of  a counter'. Is 'of' the longest word in the sentence?
Example Output:
No