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: 'there is a large black bear that is siting on a rock'. Reverse all words of length '5' in the given sentence.

SOLUTION: ereht is a egral kcalb bear that is siting on a rock

PROBLEM: Sentence: 'three people in uniform are cutting a cake'. Reverse all words of length '4' in the given sentence.

SOLUTION: three people in uniform are cutting a ekac

PROBLEM: Sentence: 'two children wearing blue and yellow hats hugging'. Reverse all words of length '3' in the given sentence.

SOLUTION:
owt children wearing blue dna yellow hats hugging