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.

Example Input: Sentence 1: A girl wearing a blue shirt, black tights and faded black boots with red painted fingernails is sitting on step outside of shop window while eating a sandwich. Sentence 2: A girl is eating a BLT sandwich.
Example Output: A girl is eating.

Example Input: Sentence 1: A girl rides by on a bicycle while a boy watches her. Sentence 2: There is a girl riding a bike outdoors racing a boy
Example Output: There is a girl riding a bike

Example Input: Sentence 1: A couple in a parking lot. Sentence 2: A couple are looking for their car.
Example Output:
A couple is walking together.