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.

Example Input: Sentence: 'a tennis player returns a hit to his opponent'. Is 'a' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a couple of men standing next to each other on an airport'. Is 'next' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a clock sitting in the middle of the city in front of a building'. Is 'middle' the longest word in the sentence?
Example Output:
No