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 giraffe standing next to a palm tree on a field'. Is 'a' the longest word in the sentence?
No

Sentence: 'a boy flies high while doing tricks with his skateboard'. Is 'skateboard' the longest word in the sentence?
Yes

Sentence: 'a person standing on skis in the snow with snowboarders on the ground behind him'. Is 'behind' the longest word in the sentence?

No