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 person who is standing in front of a laptop'. Is 'a' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'someone is on their motorcycle in his gear'. Is 'motorcycle' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a train is traveling toward a group of waiting pedestrians'. Is 'pedestrians' the longest word in the sentence?
Example Output:
Yes