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

Example Input: Sentence: 'customers walking up a ramp onto a small plane'. Is 'customers' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a snowy neighborhood and stop sign are at winter street'. Is 'neighborhood' the longest word in the sentence?
Example Output:
Yes