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: 'blue train with decorative waves next to curb'. Is 'decorative' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a car staring off into the distance while laying down'. Is 'down' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'man in a pith helmet in a tiny wooden boat'. Is 'a' the longest word in the sentence?
Example Output:
No