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: A man with gray hair accepts coins in front of a kiosk that has a multitude of fine colored powders in large bowls on display. Sentence 2: A man has gray hair.
Example Output: A man has white hair.

Example Input: Sentence 1: Many people are sitting in yellow folding chairs. Sentence 2: The people are sitting in chars.
Example Output: Everyone is standing on a cliff.

Example Input: Sentence 1: A boy in a tee-shirt and shorts playing an instrument next to a girl singing while playing the guitar. Sentence 2: The boy is playing and instrument and the girl is singing.
Example Output:
The boy is holding the microphone for the girl.