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 teal blue house on the corner of a street with a man sitting out front. Sentence 2: The house is large

SOLUTION: The house is teal blue

PROBLEM: Sentence 1: two teenage girls take turns helping each other on the swings in the park. Sentence 2: The two girls are sisters.

SOLUTION:
The girls are at the park.