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 small child pushes a stroller down the street. Sentence 2: A small child holds onto a stroller.

SOLUTION: A small child tips over a stroller.

PROBLEM: Sentence 1: With flowers in the foreground, a man in a blue striped shirt bikes past a large white building. Sentence 2: A man riding his bike in front of buildings outside.

SOLUTION: A man walks in the countryside, picking up flowers from the side of the road.

PROBLEM: Sentence 1: A young boy holds an AK-47. Sentence 2: A boy is holding a gun

SOLUTION:
The boy is not holding a gun