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 woman is teaching a kid while cutting. Sentence 2: A mother is teaching her child how to cut up fruits and vegetables for a snack.

SOLUTION: A woman and a child are together.

PROBLEM: Sentence 1: A man in a baseball cap is playing a shooting game in an arcade with a friend. Sentence 2: A man is playing an arcade game the mall.

SOLUTION: A man is playing an arcade game.

PROBLEM: Sentence 1: A gray dog is looking at a ball in the air. Sentence 2: Several dogs are playing in the field running after a ball.

SOLUTION:
A gray dog is looking at the ball thrown into the air.