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 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 girl hanging upside down on a rope over a grassy lawn above a city. Sentence 2: The girl is hanging upside down.

SOLUTION: The girl is standing by the rope.

PROBLEM: Sentence 1: A woman dressed in a white dress and holding a bouquet of pink roses, placing a rose stem on the lapel of a man dressed in a dark blue dinner jacket and white tie. Sentence 2: The woman had on a white dress.

SOLUTION: The woman had a red dress on.

PROBLEM: Sentence 1: A man is attempting to make a basket in a basketball game and a member from the opposing team is trying to stop him. Sentence 2: A man is playing in a basketball game.

SOLUTION:
A man is playing basketball by himself.