[{'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: Only for the following purposes that we may use personal information submitted by you: help us develop, deliver, and improve our products and services and supply higher quality service; manage online surveys and other activities you have participated in."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]