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 boy getting ready to hit a ball in a game'. Is 'a' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'two giraffes standing next to a pole with food hanging'. Is 'giraffes' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'they are moving a refrigerator up or down a flight of steps'. Is 'up' the longest word in the sentence?
Example Output:
No