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 door in a tall concrete wall Sentence 2: A door in a wall of at stone building.
Example Output: A door in a wall.

Example Input: Sentence 1: Three women talking and laughing, while 2 hold glasses of wine. Sentence 2: A group at a wine tasting.
Example Output: A group enjoying a drink.

Example Input: Sentence 1: A man is walking behind a tree on the street. Sentence 2: The man is  outsided on a walki
Example Output:
the man is walking