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 vase with purple sand and flowers inside'. Reverse all words of length '4' in the given sentence.

SOLUTION: a esav htiw purple dnas and flowers inside

PROBLEM: Sentence: 'a white bunk bed a wooden chair  and two waste baskets'. Reverse all words of length '3' in the given sentence.

SOLUTION:
a white bunk deb a wooden chair dna owt waste baskets