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: 'an oldfashioned safe and roll top desk in a green room'. Reverse all words of length '3' in the given sentence.

SOLUTION: an oldfashioned safe dna roll pot desk in a green room

PROBLEM: Sentence: 'three people are sitting in the room playing video games'. Reverse all words of length '2' in the given sentence.

SOLUTION: three people are sitting ni the room playing video games

PROBLEM: Sentence: 'a bunch of guys and one girl sitting at a table'. Reverse all words of length '2' in the given sentence.

SOLUTION:
a bunch fo guys and one girl sitting ta a table