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: 'the young person in the orange shirt jumps up with his skateboard'. Is 'up' the longest word in the sentence?
No

Sentence: 'a man on a horse that is walking down a road'. Is 'walking' the longest word in the sentence?
Yes

Sentence: 'a luggage bag on the ground near a couch'. Is 'a' the longest word in the sentence?

No