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 bridge with a clock tower in the background'. Is 'background' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a small red car turning right onto another street'. Is 'turning' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a large sheep standing on top of a lush green hillside'. Is 'standing' the longest word in the sentence?
Example Output:
Yes