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 grey clock tower with trees and wall below'. Reverse all words of length '5' in the given sentence.
Example Output: a grey kcolc rewot with seert and wall woleb

Example Input: Sentence: 'a dog curled up sleeping on a bed with pillows'. Reverse all words of length '6' in the given sentence.
Example Output: a dog delruc up sleeping on a bed with pillows

Example Input: Sentence: 'a plate of food containing rice and broccoli'. Reverse all words of length '5' in the given sentence.
Example Output:
a etalp of food containing rice and broccoli