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.

[EX Q]: Sentence 1: Two children, one wearing purple, the other black, ride a single bike on the pavement. Sentence 2: Two children ride the same bike.
[EX A]: Two adults ride a double seater bike.

[EX Q]: Sentence 1: A girl kisses another little girl while the third is falling out of frame. Sentence 2: Three children.
[EX A]: A child sits alone in her room.

[EX Q]: Sentence 1: A person wearing a red vest climbs up a steep rock. Sentence 2: A person is climbing.
[EX A]:
A person is repelling down the mountain.