TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair neither agree nor contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.
PROBLEM: Sentence 1: A man and young boy get ready to ride their horses while out and about on the ranch. Sentence 2: A man and boy ride horses on the ranch.

SOLUTION: The man and boy are father and son.

PROBLEM: Sentence 1: A man is skateboarding in front of a group of people. Sentence 2: A man on a skateboard.

SOLUTION: A man is performing tricks in a skate park in front of an audience.

PROBLEM: Sentence 1: A man wearing snowshoes near a river. Sentence 2: A man standing by a river.

SOLUTION:
A man wearing snowshoes near a river breathing vapor.