[{'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: If a user wishes to object to its personal details being used for advertising, market research or opinion polls, further information can be found in the FAQ on the relevant game (support.wooga.com). A notice or unsubscribe option (e.g. a button) may be provided on each service used. If the user sends an objection, advertising that does not use its personal data (InGame, for example) will not be affected."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]