TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 wearing an Alaska sweatshirt and a baseball cap is buying lottery tickets. Sentence 2: After a game a man wearing an Alaska shirt and baseball cap is buying scratchers to win money

SOLUTION: After a game a man wearing an Alaska shirt and baseball cap is buying scratchers

PROBLEM: Sentence 1: 2 people that look like army men are using a gun. Sentence 2: There are two men but only one of them has a gun.

SOLUTION: There are men with guns.

PROBLEM: Sentence 1: Bike rider jumps off of gray stone rise, does trick in air. Sentence 2: A young biker doing a flip.

SOLUTION:
A person doing a trick.