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 bathroom area with writing on the wall and a mirror'. Reverse all words of length '4' in the given sentence.
[EX A]: a bathroom aera htiw writing on the llaw and a mirror

[EX Q]: Sentence: 'an oldfashioned safe and roll top desk in a green room'. Reverse all words of length '3' in the given sentence.
[EX A]: an oldfashioned safe dna roll pot desk in a green room

[EX Q]: Sentence: 'half sandwiches on a round rack sitting on a table'. Reverse all words of length '2' in the given sentence.
[EX A]:
half sandwiches no a round rack sitting no a table