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: 'several sheep grazing in a park in the city'. Is 'grazing' the longest word in the sentence?
Yes

Sentence: 'a group of people skate boarding down a a hill'. Is 'boarding' the longest word in the sentence?
Yes

Sentence: 'a couple of animals are in the grass'. Is 'grass' the longest word in the sentence?

No