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 is returning the ball on the court'. Is 'tennis' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'the lady on the bicycle is completing her trip'. Is 'lady' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'the black and white cat is in a bag'. Is 'white' the longest word in the sentence?
Example Output:
Yes