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: 'an asian man stands in front of the sink of a messy kitchen and smiles'. Reverse all words of length '4' in the given sentence.

SOLUTION: an asian man stands in front of the knis of a messy kitchen and smiles

PROBLEM: Sentence: 'a photo in an airport showing a backpack and a cell phone'. Reverse all words of length '8' in the given sentence.

SOLUTION: a photo in an airport showing a kcapkcab and a cell phone

PROBLEM: Sentence: 'a girl wearing a purple tennis outfit while holding a tennis racket walking by a guy'. Reverse all words of length '3' in the given sentence.

SOLUTION:
a girl wearing a purple tennis outfit while holding a tennis racket walking by a yug