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 sign explain the meaning of the road work'. Reverse all words of length '7' in the given sentence.

SOLUTION: a sign nialpxe the gninaem of the road work

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 man who is looking at a kite in front of him'. Reverse all words of length '1' in the given sentence.

SOLUTION:
a man who is looking at a kite in front of him