In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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: Sitting at a table with beer empty beer mugs on it one brother is has a birthday cake sliced with sprinkler lit up while the younger brother is smiling with his eyes closed. Sentence 2: two brothers sit near a cake
Example Output: A group of women protest.

Example Input: Sentence 1: With flowers in the foreground, a man in a blue striped shirt bikes past a large white building. Sentence 2: A man riding his bike in front of buildings outside.
Example Output: A man walks in the countryside, picking up flowers from the side of the road.

Example Input: Sentence 1: A man climbing a cliff. Sentence 2: A man is climbing up a cliff.
Example Output:
A man is falling off a cliff.