In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.

[EX Q]: Sentence: 'a crowd of people skiing and enjoying the snow'. Reverse all words of length '4' in the given sentence.
[EX A]: a crowd of people skiing and enjoying the wons

[EX Q]: Sentence: 'a man holding a device in both of his hand'. Reverse all words of length '7' in the given sentence.
[EX A]: a man gnidloh a device in both of his hand

[EX Q]: Sentence: 'a man is playing a game of tennis'. Reverse all words of length '3' in the given sentence.
[EX A]:
a nam is playing a game of tennis