TASK DEFINITION: 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.
PROBLEM: Sentence: 'group of antelopes and deer standing outside in a savannah'. Reverse all words of length '9' in the given sentence.

SOLUTION: group of sepoletna and deer standing outside in a savannah

PROBLEM: Sentence: 'an aerial view of a small bathroom stall'. Reverse all words of length '8' in the given sentence.

SOLUTION: an aerial view of a small moorhtab stall

PROBLEM: Sentence: 'a stuffed teddy bear gets a ride on the back of a wooden duck'. Reverse all words of length '2' in the given sentence.

SOLUTION:
a stuffed teddy bear gets a ride no the back fo a wooden duck