[{'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 always appreciate your feedback or other suggestions about WhatsApp and our Services, but you understand that we may use your feedback or suggestions without any obligation to compensate you for them (just as you have no obligation to offer them)."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]