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 man leans down to take a bite from his sandwich'. Reverse all words of length '5' in the given sentence.
Example Output: a man snael down to take a bite from his sandwich

Example Input: Sentence: 'a large bird stands on the ledge of a window'. Reverse all words of length '3' in the given sentence.
Example Output: a large bird stands on eht ledge of a window

Example Input: Sentence: 'a guy in the kitchen washing some food'. Reverse all words of length '2' in the given sentence.
Example Output:
a guy ni the kitchen washing some food