[{'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: INFORMATION WE COLLECT When you use Duolingo you provide us with two types of information: (i) information you submit via the Service and (ii) information regarding your use of the Service collected by us as you interact with the Service."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]