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 group of horses in a field with farm equipment behind them'. Is 'with' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a herd of zebra and bison standing on a grass covered field'. Is 'a' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'there are many elephants and baby elephants that are walking together'. Is 'are' the longest word in the sentence?
Example Output:
No