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 group of people sitting on a wooden bench'. Reverse all words of length '1' in the given sentence.

SOLUTION: a group of people sitting on a wooden bench

PROBLEM: Sentence: 'a large bird flying next to a light house near a beautiful blue ocean'. Reverse all words of length '9' in the given sentence.

SOLUTION: a large bird flying next to a light house near a lufituaeb blue ocean

PROBLEM: Sentence: 'a cat takes a look at a pair of sneakers'. Reverse all words of length '3' in the given sentence.

SOLUTION:
a tac takes a look at a pair of sneakers