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 guy with brown hair in a plaid shirt and jeans is playing a guitar on a street corner. Sentence 2: The musician is playing a popular pop song.
Example Output: The busker is hoping to make some money.

Example Input: Sentence 1: A girl rides by on a bicycle while a boy watches her. Sentence 2: There is a girl riding a bike outdoors racing a boy
Example Output: There is a girl riding a bike

Example Input: Sentence 1: A young blond-haired girl wearing a YMCA sweater looks into a telescope while another girl with glasses watches her. Sentence 2: The girl is wearing jeans.
Example Output:
The two girls are under the age of 18.