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: 'an assortment of chinese dinner options are arranged'. Reverse all words of length '8' in the given sentence.
Example Output: an assortment of chinese dinner options are degnarra

Example Input: Sentence: 'several people on a large court playing tennis'. Reverse all words of length '1' in the given sentence.
Example Output: several people on a large court playing tennis

Example Input: Sentence: 'a man in orange safety clothing holding a slow sign on the side of a street'. Reverse all words of length '4' in the given sentence.
Example Output:
a man in orange safety clothing holding a wols ngis on the edis of a street