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 large grouo of people riding on a bunch of motorcycles'. Reverse all words of length '5' in the given sentence.

SOLUTION: a egral ouorg of people riding on a hcnub of motorcycles

PROBLEM: Sentence: 'a man is riding a skateboard at a skateboard park'. Reverse all words of length '1' in the given sentence.

SOLUTION: a man is riding a skateboard at a skateboard park

PROBLEM: Sentence: 'a bird is on the edge of a branch and about to take off'. Reverse all words of length '4' in the given sentence.

SOLUTION:
a drib is on the egde of a branch and about to ekat off