[{'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: 3. In connection with any transaction and payment services or services under our buyer protection schemes we provide on the Sites, information, including but not limited to, bank account numbers, billing and delivery information, credit/debit card numbers and expiration dates and tracking information from cheques or money orders ("Account Information") may be collected to, among other things, facilitate the sale and purchase as well as the settlement of purchase price of the products or services transacted on or procured through the Sites.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]