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 blender with mixed fruit sitting in a container'. Is 'sitting' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a bull and a dog charge across the field'. Is 'across' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'some motorcyclists getting off their street bikes at a gathering'. Is 'motorcyclists' the longest word in the sentence?
Example Output:
Yes