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 man stands with his toothbrush in a towel'. Is 'his' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a person sitting down wearing a suit and tie'. Is 'sitting' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'the boy is holding a kite in his hand and laughing'. Is 'is' the longest word in the sentence?
Example Output:
No