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 confident young girl wearing a cute pink dress who is approximately 6-7 years old is walking across a large outdoor sidewalk area. Sentence 2: A young girl is walking outside.

SOLUTION: A young girl stayed inside.

PROBLEM: Sentence 1: A woman walking a bike down a busy sidewalk. Sentence 2: A person walking a bike down a busy sidewalk.

SOLUTION: A man walking a bike down a busy sidewalk.

PROBLEM: Sentence 1: A young man playing nine ball billiards is aiming for the nine ball. Sentence 2: A young man aims for the nine ball while playing billiards.

SOLUTION:
A man bicycles down a street.