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 number of crouch down toilets separated by stalls'. Is 'separated' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a man standing in a bathroom not wearing a shirt'. Is 'standing' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a field of yellow flowers dominate the foreground while a train and windmills can be seen in the background'. Is 'yellow' the longest word in the sentence?
Example Output:
No