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 hotdog with cheese with a side of chili fries'. Reverse all words of length '4' in the given sentence.
[EX A]: a hotdog htiw cheese htiw a edis of chili fries

[EX Q]: Sentence: 'a group of zebras gather at a watering hole'. Reverse all words of length '1' in the given sentence.
[EX A]: a group of zebras gather at a watering hole

[EX Q]: Sentence: 'people on the bikes moving on the street'. Reverse all words of length '2' in the given sentence.
[EX A]:
people no the bikes moving no the street