instruction:
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.
question:
Sentence 1: A young boy wearing a blue "24" sports shirt, a girl sipping a juice box and a plastic container with peanut butter and jelly sandwiches. Sentence 2: The girl has juice in her mouth.
answer:
The boy is alone in the classroom.


question:
Sentence 1: A man playing ball at sunset. Sentence 2: A man is playing ball.
answer:
A man is swimming in the pool.


question:
Sentence 1: A man climbing the side of a cliff. Sentence 2: A man is climbing.
answer:

The man does not know how to rock climb; he fell into a canyon.