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 cat in a bathroom sitting on a toilet'. Reverse all words of length '3' in the given sentence.
Example Output: a tac in a bathroom sitting on a toilet

Example Input: Sentence: 'the bathroom has a toilet a window and a sink'. Reverse all words of length '8' in the given sentence.
Example Output: the moorhtab has a toilet a window and a sink

Example Input: Sentence: 'a no parking sign sitson top of a watch for senior citizens sign'. Reverse all words of length '5' in the given sentence.
Example Output:
a no parking sign sitson top of a hctaw for senior citizens sign