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.

Example Input: Sentence: 'man extending arm with three bananas crosswise on it'. Reverse all words of length '4' in the given sentence.
Example Output: man extending arm htiw three bananas crosswise on it

Example Input: Sentence: 'a woman is up to bat at a softball game'. Reverse all words of length '2' in the given sentence.
Example Output: a woman si pu ot bat ta a softball game

Example Input: Sentence: 'competitor preparing to return volley during major tennis tournament'. Reverse all words of length '6' in the given sentence.
Example Output:
competitor preparing to nruter yellov gnirud major sinnet tournament