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 man laying on a bench and a woman next to him touching his face'. Reverse all words of length '4' in the given sentence.

SOLUTION: a man laying on a bench and a woman txen to him touching his ecaf

PROBLEM: Sentence: 'multiple animals in a field while eating some grass'. Reverse all words of length '5' in the given sentence.

SOLUTION: multiple animals in a dleif elihw eating some ssarg

PROBLEM: Sentence: 'a girl riding her bike down the sidewalk being followed by another young person with a kite in the air behind her'. Reverse all words of length '2' in the given sentence.

SOLUTION:
a girl riding her bike down the sidewalk being followed yb another young person with a kite ni the air behind her