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 doubledecker buses are parked at a bus stop next to some buildings with another doubledecker bus on the road going the other direction behind them'. Reverse all words of length '1' in the given sentence.
Example Output: two doubledecker buses are parked at a bus stop next to some buildings with another doubledecker bus on the road going the other direction behind them

Example Input: Sentence: 'a toilet and a sink in small bathroom'. Reverse all words of length '2' in the given sentence.
Example Output: a toilet and a sink ni small bathroom

Example Input: Sentence: 'a tennis player is swinging at a tennis ball'. Reverse all words of length '2' in the given sentence.
Example Output:
a tennis player si swinging ta a tennis ball