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 black and white image of a wall with a stop sign on it'. Reverse all words of length '5' in the given sentence.
Example Output: a kcalb and etihw egami of a wall with a stop sign on it

Example Input: Sentence: 'a pizza that has jalapenos on one side and olives on the other'. Reverse all words of length '3' in the given sentence.
Example Output: a pizza that sah jalapenos on eno side dna olives on eht other

Example Input: Sentence: 'a big giraffe and a baby giraffe walking in a green pasture'. Reverse all words of length '3' in the given sentence.
Example Output:
a gib giraffe dna a baby giraffe walking in a green pasture