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 person in full leather riding a motorcycle with a stuff animal on the back'. Reverse all words of length '3' in the given sentence.

SOLUTION: a person in full leather riding a motorcycle with a stuff animal on eht back

PROBLEM: Sentence: 'the couple are smiling at each other as they sit on a bench'. Reverse all words of length '4' in the given sentence.

SOLUTION: the couple are smiling at hcae other as yeht sit on a bench

PROBLEM: Sentence: 'hot dog with meat topping on a tray'. Reverse all words of length '2' in the given sentence.

SOLUTION:
hot dog with meat topping no a tray