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.

Example Input: Sentence 1: A billboard for Comcast Digital Voice that references Madagascar 2. Sentence 2: A billboard with references to an animated film.
Example Output: A small old billboard with pealing paint displays an ad for Radio Shack.

Example Input: Sentence 1: The food needs to be eaten soon. Sentence 2: There is food to be eaten.
Example Output: There is a freshly cooked steak in the oven.

Example Input: Sentence 1: A white dog walking in the snow. Sentence 2: A dog is outside.
Example Output:
A dog is walking through a field in summer.