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 flying a kite on the beach'. Is 'person' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a bed has a black bedspread on it and pillow'. Is 'has' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'three giraffes that are all eating from the same tree'. Is 'three' the longest word in the sentence?
Example Output:
No