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 person holding a black remote control in their right hand'. Reverse all words of length '5' in the given sentence.
Example Output: a person holding a kcalb remote control in rieht thgir hand

Example Input: Sentence: 'three boats docked in still water with clouds in the sky'. Reverse all words of length '2' in the given sentence.
Example Output:
three boats docked ni still water with clouds ni the sky