[{'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: Anonymized data - Feelingtouch anonymizes your personally identifiable user data for the purpose of research, analysis and optimization. We use this anonimized user data in aggregate to identify user trends and to optimize our offer selection and ad serving to provide you with the most relevant offers."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]