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: '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: 'a small elephant standing next to a forest full of trees'. Reverse all words of length '5' in the given sentence.
[A]: a llams elephant standing next to a forest full of seert


[Q]: Sentence: 'a cat sitting on top of a window sill in a second story'. Reverse all words of length '3' in the given sentence.
[A]:
a tac sitting on pot of a window sill in a second story