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 computer desk topped with a large monitor'. Reverse all words of length '8' in the given sentence.
Example Output: a retupmoc desk topped with a large monitor

Example Input: Sentence: 'airplane flying in front of mountains and clouds'. Reverse all words of length '2' in the given sentence.
Example Output: airplane flying ni front fo mountains and clouds

Example Input: Sentence: 'a giraffe that is eating a piece of food near another giraffe'. Reverse all words of length '4' in the given sentence.
Example Output:
a giraffe taht is eating a piece of doof raen another giraffe