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 man is sitting on the side of a bus eating a hot dog'. Reverse all words of length '3' in the given sentence.
Example Output: a young nam is sitting on eht side of a sub eating a toh god

Example Input: Sentence: 'a toilet and a roll of toilet paper'. Reverse all words of length '2' in the given sentence.
Example Output: a toilet and a roll fo toilet paper

Example Input: Sentence: 'a  photo of a red jungle fowl standing on leaves'. Reverse all words of length '6' in the given sentence.
Example Output:
a photo of a red elgnuj fowl standing on sevael