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 stop sign and a bus stop sign'. Is 'sign' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'materials for knitting are placed in a cup holder'. Is 'in' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a group of young men playing a game of soccer'. Is 'playing' the longest word in the sentence?
Example Output:
Yes