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 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 black dog catches a Frisbee at a park. Sentence 2: The dog is having fun.
The dog is running.

Sentence 1: 3 jockeys riding horses wearing green, pink, and beige. Sentence 2: They are participating in a derby.
There are people riding horses.

Sentence 1: Two girls smiling while looking at there camera. Sentence 2: Two friends smile at a camera.

Two people smile at a camera.