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 double sink with a mirror and a venetian door'. Reverse all words of length '3' in the given sentence.

SOLUTION: a double sink with a mirror dna a venetian door

PROBLEM: Sentence: 'the woman is crossing the street holding an umbrella'. Reverse all words of length '8' in the given sentence.

SOLUTION: the woman is gnissorc the street holding an allerbmu

PROBLEM: Sentence: 'a man and a woman wearing all black are sitting next to each other on a bench'. Reverse all words of length '4' in the given sentence.

SOLUTION:
a man and a woman wearing all black are sitting txen to hcae other on a bench