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 holding a remote and standing up'. Reverse all words of length '3' in the given sentence.

SOLUTION: a nam holding a remote dna standing up

PROBLEM: Sentence: 'a black and white clock reads serving central oregon'. Reverse all words of length '3' in the given sentence.

SOLUTION: a black dna white clock reads serving central oregon

PROBLEM: Sentence: 'there is a goat standing on a sidewalk'. Reverse all words of length '5' in the given sentence.

SOLUTION:
ereht is a goat standing on a sidewalk