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.

[Q]: Sentence: 'an old traditional pirate ship in modern city'. Reverse all words of length '3' in the given sentence.
[A]: an dlo traditional pirate ship in modern city


[Q]: Sentence: 'a group of people loading a tour bus'. Reverse all words of length '3' in the given sentence.
[A]: a group of people loading a tour sub


[Q]: Sentence: 'people walking in snow on a ski slope'. Reverse all words of length '2' in the given sentence.
[A]:
people walking ni snow no a ski slope