[{'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: P.O. Box 241810 Los Angeles, CA 90024 USA For the eHarmony Singles service, select our Help link from your account home page and search our FAQ's to find the answer you are looking for, or send us an e-mail and our Customer Care agents will be happy to assist you; or For any services that allow you to control which e-mails you receive, go to the e-mail settings page from your account home page, and un-check the undesired promotions."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]