TASK DEFINITION: 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.
PROBLEM: Sentence 1: A white dog is running with an orange fence behind him. Sentence 2: A white dog is running outside.

SOLUTION: A white dog is sitting on the porch.

PROBLEM: Sentence 1: Brown and white dog runs towards camera, casting long shadow on dirt. Sentence 2: A brown and white dog is running.

SOLUTION: A cat runs towards a camera.

PROBLEM: Sentence 1: A group of people stand listening to a speaker. Sentence 2: The people are listening to someone talk.

SOLUTION:
The people are listening to the band perform their hit music.