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 couple of young boys engage in a tennis match'. Is 'tennis' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a dog is sitting in a living room next to a table'. Is 'in' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a laptop computer that is open to the desktop'. Is 'a' the longest word in the sentence?
Example Output:
No