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 group of snow boarders pose in the snow on top of a hill'. Reverse all words of length '5' in the given sentence.

SOLUTION: a puorg of snow boarders pose in the snow on top of a hill

PROBLEM: Sentence: 'a teddy bear sits on top of a furniture in front of a camera'. Reverse all words of length '2' in the given sentence.

SOLUTION: a teddy bear sits no top fo a furniture ni front fo a camera

PROBLEM: Sentence: 'a man is riding a skateboard with his hands out'. Reverse all words of length '10' in the given sentence.

SOLUTION:
a man is riding a draobetaks with his hands out