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 baseball player is swinging a bat at the ball'. Is 'swinging' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a person flying a kite on the beach'. Is 'person' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'group of people socializing under a beach umbrella'. Is 'socializing' the longest word in the sentence?
Example Output:
Yes