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 male in a white shirt is surfing in some dirt'. Reverse all words of length '2' in the given sentence.
Example Output: a male ni a white shirt si surfing ni some dirt

Example Input: Sentence: 'a woman on a court with a tennis racket'. Reverse all words of length '1' in the given sentence.
Example Output: a woman on a court with a tennis racket

Example Input: Sentence: 'there are many people walking down the hall with luggage'. Reverse all words of length '7' in the given sentence.
Example Output:
there are many people gniklaw down the hall with egaggul