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 long train with people standing around beside it'. Is 'standing' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'an adult and baby cow graze on grass in a field'. Is 'field' the longest word in the sentence?
Example Output: Yes

Example Input: Sentence: 'a coal train on tracks coming out of a tunnel'. Is 'tunnel' the longest word in the sentence?
Example Output:
Yes