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.

[Q]: Sentence: 'a group of people para sailing on a beach'. Reverse all words of length '5' in the given sentence.
[A]: a puorg of people para sailing on a hcaeb


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


[Q]: Sentence: 'a man is standing in front of a double bus'. Reverse all words of length '8' in the given sentence.
[A]:
a man is gnidnats in front of a double bus