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 pair of scissors is hanging with a rubber band'. Reverse all words of length '8' in the given sentence.
Example Output: a pair of srossics is hanging with a rubber band

Example Input: Sentence: 'a red double decker bus parked next to a brick building'. Reverse all words of length '4' in the given sentence.
Example Output: a red double decker bus parked txen to a brick building

Example Input: Sentence: 'a teddy bear sitting in front of a forested area'. Reverse all words of length '7' in the given sentence.
Example Output:
a teddy bear gnittis in front of a forested area