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 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 bus with a colorful design  on the bottom half'. Reverse all words of length '8' in the given sentence.

SOLUTION: a bus with a lufroloc design on the bottom half

PROBLEM: Sentence: 'an airplane is taking off above a boat on the water'. Reverse all words of length '8' in the given sentence.

SOLUTION:
an enalpria is taking off above a boat on the water