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 baby bath tub is inside the regular bathtub'. Is 'bathtub' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a man walking across a street with buses and a car'. Is 'buses' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a cat sitting on a brown bench looking forward'. Is 'looking' the longest word in the sentence?
Example Output:
Yes