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 small white dog with a hat on his rear end'. Reverse all words of length '3' in the given sentence.
[EX A]: a small white god with a tah on sih rear dne

[EX Q]: Sentence: 'a room with an open suitcase on the floor and clothes strewn about'. Reverse all words of length '2' in the given sentence.
[EX A]: a room with na open suitcase no the floor and clothes strewn about

[EX Q]: Sentence: 'a room is cluttered with paper on the tables and an unmade bed'. Reverse all words of length '4' in the given sentence.
[EX A]:
a moor is cluttered htiw paper on the tables and an unmade bed