[{'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: IV.What information we collect and how we collect information 1.Information You submit (1)Registration information You submit At the time You register Your CC account or CS account, in order to identify the user and facilitate contact, You shall provide the real and effective information such as Email address or mobile phone number, etc.. You understand and agrees that under necessary circumstances (e.g. to sign out account, etc.), We may identify you based on Your registration information, so as to prevent any other person from using Your identity to operate fraudulently which will affect Your normal use of Our Products and services."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty, Contact_Phone_Number_1stParty.'}]