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: 'three people are sitting in the room playing video games'. Reverse all words of length '2' in the given sentence.
Example Output: three people are sitting ni the room playing video games

Example Input: Sentence: 'a motorcycle parked on the street and next to parked cars'. Reverse all words of length '1' in the given sentence.
Example Output: a motorcycle parked on the street and next to parked cars

Example Input: Sentence: 'a young girl showing off her homemade pizza'. Reverse all words of length '7' in the given sentence.
Example Output:
a young girl gniwohs off her homemade pizza