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 calico cat looking out of a window'. Is 'a' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'the sandwich had tomatoes lettuce and a meat that looked like chicken'. Is 'a' the longest word in the sentence?
Example Output: No

Example Input: Sentence: 'a man is sitting at a desk looking at the car on the back of his chair'. Is 'at' the longest word in the sentence?
Example Output:
No