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: 'ladies and mans rest rooms in a public place'. Reverse all words of length '2' in the given sentence.
Example Output: ladies and mans rest rooms ni a public place

Example Input: Sentence: 'reflection of window on mirror in dark bathroom'. Reverse all words of length '10' in the given sentence.
Example Output: noitcelfer of window on mirror in dark bathroom

Example Input: Sentence: 'a girl wearing a green shirt looking at a cellphone'. Reverse all words of length '7' in the given sentence.
Example Output:
a girl gniraew a green shirt gnikool at a cellphone