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: 'teenagers riding skateboards in a concrete skate park'. Reverse all words of length '1' in the given sentence.

SOLUTION: teenagers riding skateboards in a concrete skate park

PROBLEM: Sentence: 'a person on a surfboard riding a wave in the water'. Reverse all words of length '5' in the given sentence.

SOLUTION: a person on a surfboard riding a wave in the retaw

PROBLEM: Sentence: 'a traffic light and a sign for bus turns only'. Reverse all words of length '1' in the given sentence.

SOLUTION:
a traffic light and a sign for bus turns only