[{'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: We may occasionally ask you to complete optional online surveys. These surveys may ask you for contact information and demographic information (like zip code, age, gender, etc.). We use this data to customize your experience at Paytm, providing you with content that we think you might be interested in and to display content according to your preferences."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_1stParty, Contact_ZIP_1stParty, Demographic_1stParty, Demographic_Age_1stParty, Demographic_Gender_1stParty.'}]