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 close up ofa cat laying on an open bag of luggage'. Is 'luggage' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'single giraffe standing in an open field looking ahead'. Is 'open' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'the boy is running as he tries to fly his kite'. Is 'kite' the longest word in the sentence?
Example Output:
No