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 bathroom with white toilet and walls and blue accent bars'. Reverse all words of length '5' in the given sentence.
Example Output: a bathroom with etihw toilet and sllaw and blue accent bars

Example Input: Sentence: 'an openair tour bus driving in a city'. Reverse all words of length '7' in the given sentence.
Example Output: an rianepo tour bus gnivird in a city

Example Input: Sentence: 'two men throwing a frisbee at a park'. Reverse all words of length '8' in the given sentence.
Example Output:
two men gniworht a frisbee at a park