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 green countryside meadow by the water with sheep grazing'. Is 'countryside' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'three zebras mill about in a grassy enclosure'. Is 'enclosure' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a white pizza with cheese and a class of water nearby'. Is 'cheese' the longest word in the sentence?
Example Output:
Yes