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 closeup of a little girl laughing. Sentence 2: Portrait of a happy young girl.
Example Output: A man buying balloons from a street vendor.

Example Input: Sentence 1: A little boy is jumping into the kiddie pool in the backyard. Sentence 2: A boy is playing in the pool.
Example Output: A boy is playing in the sandbox.

Example Input: Sentence 1: A smaller white dog is trying to get a hold of a stick that a bigger tri-colored dog has in its mouth. Sentence 2: There are two dogs fighting over a stick.
Example Output:
a little dog is driving a car