[{'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: 2.4. Service Development; Customized Experience We use the information and content you provide to us to conduct research and development and to customize your experience and try to make it relevant and useful to you."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]