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: 'the catcher is running to catch the ball'. Is 'catch' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'several zebras standing on the dirt near a tree'. Is 'the' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'the shepherd is guiding his sheep to fresh grass'. Is 'shepherd' the longest word in the sentence?
Example Output:
Yes