In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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 hiking gear, walking across a shallow waterfall. Sentence 2: A man is swimming across a waterfall.
Example Output: A man is walking.

Example Input: Sentence 1: 4 men are riding on a boat in murky water. Sentence 2: people fish
Example Output: people are riding a boat in murky water

Example Input: Sentence 1: Several people walk along a waterway including a boy with a scooter. Sentence 2: No one walks along the waterway.
Example Output:
There are people walking including a boy.