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 motorcycle parked behind a man riding  a motorcycle'. Is 'parked' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a woman walking down the street with an umbrella'. Is 'umbrella' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a horse is standing next to the water looking at it'. Is 'standing' the longest word in the sentence?
Example Output:
Yes