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 Q]: Sentence: 'a man skateboards in a park for skateboarding'. Reverse all words of length '2' in the given sentence.
[EX A]: a man skateboards ni a park for skateboarding

[EX Q]: Sentence: 'group of antelopes and deer standing outside in a savannah'. Reverse all words of length '9' in the given sentence.
[EX A]: group of sepoletna and deer standing outside in a savannah

[EX Q]: Sentence: 'one zebra laying down and three zebras standing up'. Reverse all words of length '8' in the given sentence.
[EX A]:
one zebra laying down and three zebras gnidnats up