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: 'a person siting on the ground and decorating a parking meter'. Reverse all words of length '5' in the given sentence.

SOLUTION: a person siting on the ground and decorating a parking retem

PROBLEM: Sentence: 'a propeller plane sits parked inside of a building'. Reverse all words of length '8' in the given sentence.

SOLUTION: a propeller plane sits parked inside of a gnidliub

PROBLEM: Sentence: 'a guy is looking at the camera while waiting to cross the street'. Reverse all words of length '1' in the given sentence.

SOLUTION:
a guy is looking at the camera while waiting to cross the street