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 man standing on a surfboard heads away from shore while going over a wave near a small boat. Sentence 2: A skilled surfboarder rides a wave
Example Output: A man on a surfboard rides a wave

Example Input: Sentence 1: A young girl playing is a sprinkler fountain jumps on a yellow concrete spot. Sentence 2: The girl is playing a game in which she neads to stay on the yellow spot.
Example Output: A girl is playing in a fountain.,

Example Input: Sentence 1: A boy is smiling while riding a donkey. Sentence 2: The boy is having fun.
Example Output:
The boy is riding an animal.