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.

Sentence: 'a mother buffalo is walking across the prairie with her two calves'. Is 'two' the longest word in the sentence?
No

Sentence: 'a bathroom is decorated in shades of white'. Is 'is' the longest word in the sentence?
No

Sentence: 'a tennis player swings the racket back preparing to hit the ball'. Is 'preparing' the longest word in the sentence?

Yes