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.

[Q]: Sentence: 'a half a slice of bread covered in peanut butter sitting next to a half a slice of bread covered with jelly on a cutting board next to a knife'. Is 'board' the longest word in the sentence?
[A]: No


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


[Q]: Sentence: 'a elephant walking through a pond with trees around it'. Is 'walking' the longest word in the sentence?
[A]:
No