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: 'sandwich on a bun in a white plate with a blue rim'. Is 'rim' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a tennis player attempting to play the ball back to his opponent'. Is 'back' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a child reading a book while a cat rests next to her'. Is 'reading' the longest word in the sentence?
Example Output:
Yes