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: Three bicyclists riding down a steep course wearing helmets. Sentence 2: the bicyclists are being careful down the steep course.
Example Output: The bicyclists are  wearing helmets.

Example Input: Sentence 1: People look upon a monument where a speed is being given. Sentence 2: People at a national monument
Example Output: The woman is taking a picture.

Example Input: Sentence 1: Black heavyset male dressed in brown hood jacket, brown pants and white shirt, playing guitar hero. Sentence 2: The man is playing music in a party.
Example Output:
There is a man with the instrument.