[{'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: How can you contact us? The best way to contact us is online through the Help Center. If you live in the United States, Pinterest, Inc. is responsible for your information. You can contact Pinterest Inc. at 808 Brannan Street, San Francisco, CA 94103."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]