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 tree with some lights on a street'. Is 'lights' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'close up image of a cows face with another cow looking on'. Is 'cow' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'bird on wet sand with fish in his beak'. Is 'with' the longest word in the sentence?
Example Output:
Yes