TASK DEFINITION: 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.
PROBLEM: Sentence 1: A young girl dressed in gray kneels to look at a dog. Sentence 2: She is teaching the dog a trick.

SOLUTION: The girl is looking at the dog while wearing gray.

PROBLEM: Sentence 1: A young asian boy enjoys his toy. Sentence 2: A young boy is happy with his new toy.

SOLUTION: A young boy is playing.

PROBLEM: Sentence 1: A man is sitting on a silver scooter. Sentence 2: Some guy is parking his scooter.

SOLUTION:
A man is sitting on a scooter.