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 shower door a sink a mirror and an outlet'. Is 'a' the longest word in the sentence?
No

Sentence: 'two cats guiltily discovered in an empty bathtub'. Is 'guiltily' the longest word in the sentence?
No

Sentence: 'a couple of giraffes that are walking around'. Is 'giraffes' the longest word in the sentence?

Yes