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 girl in a wig holding a tennis racket'. Reverse all words of length '3' in the given sentence.

SOLUTION: a girl in a giw holding a tennis racket

PROBLEM: Sentence: 'the blue pair of scissors is next to cut pieces of plastic'. Reverse all words of length '8' in the given sentence.

SOLUTION: the blue pair of srossics is next to cut pieces of plastic

PROBLEM: Sentence: 'a van with graffiti parked on the street among motorcycles'. Reverse all words of length '3' in the given sentence.

SOLUTION:
a nav with graffiti parked on eht street among motorcycles