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: 'a small clean unoccupied bathroom on public transportation'. Reverse all words of length '10' in the given sentence.
Example Output: a small clean deipucconu bathroom on public transportation

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

Example Input: Sentence: 'two young girls making pizza on a counter top'. Reverse all words of length '7' in the given sentence.
Example Output:
two young girls making pizza on a retnuoc top