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 picture of a couple in their youth and old age'. Is 'picture' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a person is outside playing a tennis game'. Is 'outside' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a fire house with lots of fire trucks parked inside of it'. Is 'parked' the longest word in the sentence?
Example Output:
Yes