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.

Example Input: Sentence 1: A person in a purple dress, black hat, and pink scarf runs on a road. Sentence 2: A person is running on the road.
Example Output: A woman wearing jeans skips down the road.

Example Input: Sentence 1: A girl in a white top and black shorts is touching a volleyball with both of her arms together. Sentence 2: The girl has something touching her arms.
Example Output: The girl is eating a burger.

Example Input: Sentence 1: A UK street scene with stone buildings and two boys who have stopped their bikes on the sidewalk. Sentence 2: Two boys are outside.
Example Output:
The two boys are on their period.