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 man and a woman are in bed'. Is 'woman' the longest word in the sentence?
Example Output: Yes

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

Example Input: Sentence: 'a group of three zebras eating in the grass'. Is 'eating' the longest word in the sentence?
Example Output:
Yes