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: 'two people on a motorcycle ride towards the road'. Reverse all words of length '6' in the given sentence.
Example Output: two elpoep on a motorcycle ride towards the road

Example Input: Sentence: 'a slice of pizza on top of a white plate'. Reverse all words of length '3' in the given sentence.
Example Output: a slice of pizza on pot of a white plate

Example Input: Sentence: 'several different donuts are placed in the box'. Reverse all words of length '2' in the given sentence.
Example Output:
several different donuts are placed ni the box