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 bus with a colorful design  on the bottom half'. Reverse all words of length '8' in the given sentence.
Example Output: a bus with a lufroloc design on the bottom half

Example Input: Sentence: 'a male in a white shirt is surfing in some dirt'. Reverse all words of length '2' in the given sentence.
Example Output: a male ni a white shirt si surfing ni some dirt

Example Input: Sentence: 'a small green bridge over a quiet looking road'. Reverse all words of length '7' in the given sentence.
Example Output:
a small green bridge over a quiet gnikool road