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 young man is leading a cooking demonstration'. Is 'demonstration' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a baseball player winds up to hit a pitch'. Is 'to' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a large long train on a steel track'. Is 'train' the longest word in the sentence?
Example Output:
Yes

