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.

Q: Sentence 1: A string quartet practices for an up-coming performance. Sentence 2: A string quartet practicing.

A: The woodwind section warming up for a performance.
****
Q: Sentence 1: A woman smiles with her old-fashioned sewing machine. Sentence 2: The sewing machine is old.

A: The woman is knitting a scarf.
****
Q: Sentence 1: There are some people in a restaurant and two men walking by them Sentence 2: There is a group of people.

A:
The man is walking alone.
****