[{'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 We Collect Your account: we store a hash (digital fingerprint) of your Google account email address(es) to identify you and tie your account to your purchases. We do not store the actual email address(es), and cannot obtain them using the hash."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]