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 man in yellow rain gear holding a shovel looks on as a man in a green jacket swings a pick at the ground. Sentence 2: The man is inside the library reading a book.
Example Output: the boy is not happy

Example Input: Sentence 1: A man sitting on a ball hides his face from a small kid. Sentence 2: They are inside playing games.
Example Output: A man sits on a ball hiding his face from his son.

Example Input: Sentence 1: A man kayaks down a rapid river, with another kayaker in the distance tries to catch up. Sentence 2: Two people are riding a train.
Example Output:
Two people are racing in kayaks.