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: 'several vehicles at a traffic stop on a small downtown street'. Reverse all words of length '4' in the given sentence.
[EX A]: several vehicles at a traffic pots on a small downtown street

[EX Q]: Sentence: 'a woman checks upon a baby in a bed'. Reverse all words of length '1' in the given sentence.
[EX A]: a woman checks upon a baby in a bed

[EX Q]: Sentence: 'a group of young men interacting with their cell phones'. Reverse all words of length '4' in the given sentence.
[EX A]:
a group of young men interacting htiw their llec phones