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 man riding an elephant plays basketball while others watch'. Reverse all words of length '1' in the given sentence.
[A]: a man riding an elephant plays basketball while others watch


[Q]: Sentence: 'a group of motorcycle riders one with a side car'. Reverse all words of length '6' in the given sentence.
[A]: a group of motorcycle sredir one with a side car


[Q]: Sentence: 'cross country skier with a backpack skiing in the mountains'. Reverse all words of length '1' in the given sentence.
[A]:
cross country skier with a backpack skiing in the mountains