[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: For surveys and promotions. From time to time, we may offer you the opportunity to participate in a survey or promotion. We use survey results for various purposes, including to enhance our services and sites and to develop improved promotions, and, if you provide your name, we may contact you to discuss your comments. Unless otherwise stated in the promotion or survey, we use the contact information that we collect through promotions for the purpose of notifying the winner. If you win a promotion, we may request additional information (e.g., social security number for income tax purposes depending on the prize)."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_1stParty.'}]