instruction:
In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 person is falling off their surfboard. Sentence 2: A person falls from their surfboard in a competition.
answer:
A person falls.


question:
Sentence 1: A young girl dressed in gray kneels to look at a dog. Sentence 2: She is teaching the dog a trick.
answer:
The girl is looking at the dog while wearing gray.


question:
Sentence 1: A man is squatting down while painting his artwork on a large metal garage door. Sentence 2: The man is decorating his house.
answer:

A man is painting something.