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 line of horses is walking down a road past a broken-down car. Sentence 2: not watched at alll
a bird was on rocks

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: People on the beach look up to the sky to see a large heart written in the air by the contrail of a plane. Sentence 2: The people are inside an old cave.

A plane is drawing a heart in the sky.