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 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 young girl dressed in gray kneels to look at a dog. Sentence 2: She is teaching the dog a trick.
Example Output: The girl is looking at the dog while wearing gray.

Example Input: Sentence 1: Child wearing red beanie sits on couch. Sentence 2: The adolescent is watching television.
Example Output: A kid is wearing a cap.

Example Input: Sentence 1: Two people are surfing a wave in front of the shoreline. Sentence 2: The two people surfing are brothers.
Example Output:
Two people are surfing.