[{'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: Contact Information: If you choose to participate in certain features and/or rewards offered through the Service, you may provide us, and we may collect, your contact information, including your email address, ("Contact Information").'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_1stParty, Contact_E_Mail_Address_1stParty.'}]