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 child with a frisbee in an open field'. Is 'frisbee' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a person flying through the air while riding a snowboard'. Is 'a' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a pile of luggage boxes and a guitar case'. Is 'a' the longest word in the sentence?
Example Output:
No