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 beautiful purple motor cycle against a black and white background'. Is 'and' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a table that has some food on it'. Is 'it' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'two men riding an elephant driven by a boy'. Is 'two' the longest word in the sentence?
Example Output:
No