[{'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: Manually provided information You may provide your Personal Information to us, such as your username and email addresses, when you access certain Services offered via the application, for instance, when you create an account on UCWeb Services. It is your choice whether to send personal information to us."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]