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.

[EX Q]: Sentence: 'a herd of zebra and bison standing on a grass covered field'. Is 'a' the longest word in the sentence?
[EX A]: No

[EX Q]: Sentence: 'a couple of chairs sitting on top of the back of a truck'. Is 'sitting' the longest word in the sentence?
[EX A]: Yes

[EX Q]: Sentence: 'a yellow cat is sitting in the corner and poses for a picture'. Is 'poses' the longest word in the sentence?
[EX A]:
No