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: 'two men are playing a wii boxing game'. Reverse all words of length '4' in the given sentence.

SOLUTION: two men are playing a wii boxing emag

PROBLEM: Sentence: 'a woman walks a horse wearing a blanket'. Reverse all words of length '7' in the given sentence.

SOLUTION: a woman walks a horse gniraew a teknalb

PROBLEM: Sentence: 'a man brushes his teeth with an electronic toothbrush while he looks into the mirror'. Reverse all words of length '7' in the given sentence.

SOLUTION:
a man sehsurb his teeth with an electronic toothbrush while he looks into the mirror