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 siting on the ground and decorating a parking meter'. Reverse all words of length '5' in the given sentence.

SOLUTION: a person siting on the ground and decorating a parking retem

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 kitten sitting on a laptop that has been placed on a bed'. Reverse all words of length '2' in the given sentence.

SOLUTION:
a kitten sitting no a laptop that has been placed no a bed