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 group of people skiing in a line down a trail'. Is 'people' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a man stands with his toothbrush in a towel'. Is 'his' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a brown horse standing next to a blue car'. Is 'a' the longest word in the sentence?
Example Output:
No