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 that also has street signs on top of it'. Is 'street' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a woman posed on the court ready to hit a ball'. Is 'woman' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a couple of giraffes are in a field'. Is 'giraffes' the longest word in the sentence?
Example Output:
Yes