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 man being towed behind a boat on a board'. Reverse all words of length '4' in the given sentence.

SOLUTION: a man being towed behind a taob on a board

PROBLEM: Sentence: 'a plate wit some very tasty looking treats'. Reverse all words of length '6' in the given sentence.

SOLUTION: a plate wit some very tasty looking staert

PROBLEM: Sentence: 'a baseball player captured swinging at a ball'. Reverse all words of length '4' in the given sentence.

SOLUTION:
a baseball player captured swinging at a llab