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 woman in a white shirt and black pants on a tennis court playing a game'. Is 'young' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a mirror shot of a dog with its head out of the window'. Is 'shot' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'an elephant painting a picture with its trunk'. Is 'elephant' the longest word in the sentence?
Example Output:
Yes