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: 'two young boys standing on grass near a fence'. Reverse all words of length '8' in the given sentence.

SOLUTION: two young boys gnidnats on grass near a fence

PROBLEM: Sentence: 'pineapple and hot dog skewers are shown as appetizers'. Reverse all words of length '9' in the given sentence.

SOLUTION: elppaenip and hot dog skewers are shown as appetizers

PROBLEM: Sentence: 'a couple of boys playing soccer against each other'. Reverse all words of length '1' in the given sentence.

SOLUTION:
a couple of boys playing soccer against each other