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 dog umping to catch a frisbee while diving into a pool'. Is 'pool' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a horse and a small dog running through a field'. Is 'running' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a man very excited about opening a pizza box'. Is 'very' the longest word in the sentence?
Example Output:
No