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: '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: 'a young brown horse in a blue jacket running in a barn'. Reverse all words of length '4' in the given sentence.
[EX A]: a young brown horse in a eulb jacket running in a nrab

[EX Q]: Sentence: 'a very large blowup kite of an orange octopus'. Reverse all words of length '4' in the given sentence.
[EX A]:
a yrev large blowup etik of an orange octopus