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 in uniform are cutting a cake'. Reverse all words of length '4' in the given sentence.
Example Output: three people in uniform are cutting a ekac

Example Input: Sentence: 'several bicycles and a bus parked outside a large building'. Reverse all words of length '7' in the given sentence.
Example Output: lareves bicycles and a bus parked edistuo a large building

Example Input: Sentence: 'a sheep stands on a hill at sunset'. Reverse all words of length '1' in the given sentence.
Example Output:
a sheep stands on a hill at sunset