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 dog stands in a field. Sentence 2: There is an animal outside.

SOLUTION: The dog runs through a field.

PROBLEM: Sentence 1: A young man sits on a chair with one shoe off. Sentence 2: Someone has taken a shoe off.

SOLUTION: Everyone is wearing two shoes.

PROBLEM: Sentence 1: A girl with glasses holding a cat doll that she pulled out from a backpack. Sentence 2: A kid is holding a toy.

SOLUTION:
A girl is raising her hand to answer a question at school.