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 people wearing skis and standing at the top of a ski slope'. Reverse all words of length '7' in the given sentence.

SOLUTION: a group of people gniraew skis and standing at the top of a ski slope

PROBLEM: Sentence: 'a man in a suit has a phone up to his face'. Reverse all words of length '1' in the given sentence.

SOLUTION: a man in a suit has a phone up to his face

PROBLEM: Sentence: 'one man waves while another rides a skateboard on a ramp'. Reverse all words of length '10' in the given sentence.

SOLUTION:
one man waves while another rides a draobetaks on a ramp