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 people stand in the grass outside of a horse race'. Is 'the' the longest word in the sentence?
No

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

Sentence: 'a small yellow and grey bird is walking on the ground'. Is 'a' the longest word in the sentence?

No