[{'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: Information you directly volunteer to us - to use certain features of Start, you may be asked to provide your personal information, such as your name, mobile number, email address, user-name, password and other registration information as well as age, gender, interests and other information. In addition, when you make purchases, respond to any offers, or download or use purchasable applications from us, you may be asked to submit transaction-related information (such as billing information). Further, when you contact us for support, feedbacks or questions, you may provide us with additional information. At all times, you may choose whether or not to provide such information, however, please note that if you decide not to provide such information, certain features of Start may not be enabled or may not function properly."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty, Contact_Password_1stParty, Contact_Phone_Number_1stParty, Demographic_Age_1stParty, Demographic_Gender_1stParty.'}]