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 dog lays next to a bag on a couch'. Reverse all words of length '4' in the given sentence.
[EX A]: a dog syal txen to a bag on a couch

[EX Q]: Sentence: 'there is a bathroom with a oven and a refg'. Reverse all words of length '2' in the given sentence.
[EX A]: there si a bathroom with a oven and a refg

[EX Q]: Sentence: 'man with yellow flying disc at indoor event'. Reverse all words of length '3' in the given sentence.
[EX A]:
nam with yellow flying disc at indoor event