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.

Ex Input:
Sentence: 'a small plane sitting on top of a tarmac'. Reverse all words of length '2' in the given sentence.

Ex Output:
a small plane sitting no top fo a tarmac


Ex Input:
Sentence: 'a person wearing skis turned around in the snow'. Reverse all words of length '1' in the given sentence.

Ex Output:
a person wearing skis turned around in the snow


Ex Input:
Sentence: 'a pair of people cross country skiing through a mountain trail'. Reverse all words of length '6' in the given sentence.

Ex Output:

a pair of elpoep cross country gniiks through a mountain trail