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 young baseball catcher about to throw the ball'. Reverse all words of length '3' in the given sentence.
Example Output: a young baseball catcher about to throw eht ball

Example Input: Sentence: 'a white plate with a sandwich and chips between a cat and a bird'. Reverse all words of length '4' in the given sentence.
Example Output: a white plate htiw a sandwich and chips between a cat and a drib

Example Input: Sentence: 'a person riding a skateboard on a blacktop pavement'. Reverse all words of length '6' in the given sentence.
Example Output:
a nosrep gnidir a skateboard on a blacktop pavement