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: 'many people flying kites in front of the white house in washington dc'. Reverse all words of length '4' in the given sentence.

SOLUTION: ynam people flying kites in front of the white house in washington dc

PROBLEM: Sentence: 'a fire hydrant placed in the street just off the curb'. Reverse all words of length '3' in the given sentence.

SOLUTION: a fire hydrant placed in eht street just ffo eht curb

PROBLEM: Sentence: 'a kitchen with a refrigerator a sink and a counter top'. Reverse all words of length '12' in the given sentence.

SOLUTION:
a kitchen with a rotaregirfer a sink and a counter top