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: 'reflection of window on mirror in dark bathroom'. Reverse all words of length '10' in the given sentence.

SOLUTION: noitcelfer of window on mirror in dark bathroom

PROBLEM: Sentence: 'a clean bathroom is shown with simple accessories'. Reverse all words of length '5' in the given sentence.

SOLUTION: a naelc bathroom is nwohs with simple accessories

PROBLEM: Sentence: 'a man in a suit glares while standing outside'. Reverse all words of length '4' in the given sentence.

SOLUTION:
a man in a tius glares while standing outside