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 couple of chairs sitting on top of the back of a truck'. Is 'sitting' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a bird is standing on a pole near a window'. Is 'standing' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a white sink and a toilet in a room'. Is 'sink' the longest word in the sentence?
Example Output:
No