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 boy, wearing a gray shirt and black pants, is bowling with a black bowling ball with only two pins left to knock down. Sentence 2: A boy is bowling with his friends.

SOLUTION: A boy bowls with a black bowling ball

PROBLEM: Sentence 1: A woman in a jean jacket and black sunglasses stands outside with two young boys by a kiosk, looking at a paper she is holding in her hand. Sentence 2: A woman and two boys are standing outside a store.

SOLUTION: A woman is outside with two boys.

PROBLEM: Sentence 1: The boy is jumping in the air. Sentence 2: Several young boys are playing in the garden jumping into the air

SOLUTION:
A boy is jumping.