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.

Sentence 1: a biker enjoys a coffee. Sentence 2: A person is having a beverage.
A biker is drinking beer and playing pool with his friends.

Sentence 1: A person is walking in the ocean waves. Sentence 2: A person is walking near the ocean.
A woman is dancing with her child.

Sentence 1: A large lady and an elderly lady are waiting at a bus stop. Sentence 2: Two ladies are waiting on the street.

Two friends are at a cafe.