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 hand holds a napkin with a doughnut as potatoes sit in the bathroom'. Reverse all words of length '1' in the given sentence.
[EX A]: a hand holds a napkin with a doughnut as potatoes sit in the bathroom

[EX Q]: Sentence: 'a man leans down to take a bite from his sandwich'. Reverse all words of length '5' in the given sentence.
[EX A]: a man snael down to take a bite from his sandwich

[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