[{'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: Sharing with Other Companies (for their marketing purposes) If you do not wish us to share the personal information we have collected with other unaffiliated companies (for their marketing purposes), email this request to guest.relations@target.com with your first and last name and complete mailing address or call 800-440-0680 to opt out."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]