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.

Sentence: 'a man plays a game with a wii controller'. Reverse all words of length '1' in the given sentence.
a man plays a game with a wii controller

Sentence: 'a couple of elephants that are in some water'. Reverse all words of length '6' in the given sentence.
a elpuoc of elephants that are in some water

Sentence: 'some pictures on the wall of a small bathroom'. Reverse all words of length '8' in the given sentence.

some serutcip on the wall of a small moorhtab