In this task, you're given a pair of sentences, sentence 1 and sentence 2. Sentence 2 contradicts sentence 1. Your job is to alter sentence 2 so that the pair neither agree nor 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 boy jumps on his skateboard while a crowd watches Sentence 2: A boy is sitting on his skateboard on the ground.
Example Output: A skater is wearing a helmet.

Example Input: Sentence 1: A photographer captures the beauty of a river. Sentence 2: A painter paints a nude lady.
Example Output: A photographer takes a color photo.

Example Input: Sentence 1: A person hanging from a zip line with a yellow helmet. Sentence 2: A person on a surfboard with a yellow helmet.
Example Output:
A person using a zip line on their vacation.