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.

Q: Sentence: 'a group of people standing on top of a snow covered slope'. Is 'standing' the longest word in the sentence?

A: Yes
****
Q: Sentence: 'a tennis player is returning the ball on the court'. Is 'tennis' the longest word in the sentence?

A: No
****
Q: Sentence: 'woman with reversed umbrella walking down sidewalk by wall with grafitti'. Is 'umbrella' the longest word in the sentence?

A:
Yes
****