In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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 mountain biker hops over an obstacle. Sentence 2: A person swims in a pool.
A person is outside.

Sentence 1: A father and son at the checkout in a supermarket. Sentence 2: Nobody is at the supermarket.
Two people are at the register at a supermarket.

Sentence 1: Two people are sitting at an outdoor cafe in front of an old building. Sentence 2: The people are standing outside.

Two people are at sitting outside of a cafe.