[{'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 will retain Your Data for as long as your account is active or as needed to provide you with the Comcast Web Services, or as otherwise necessary to help us improve our products and services, comply with our legal obligations, resolve disputes, and enforce our agreements with you."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]