[{'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: 4 Virtual Goods and Virtual Money 4.1 Our Games may include virtual currencies such as gold bars and gems ("Virtual Money") or items or services for use with our Games ("Virtual Goods"). You agree that once purchased Virtual Money and Virtual Goods have no monetary value and can never be exchanged for real money, real goods or real services from us or anyone else. You agree that Virtual Money and/or Virtual Goods are not transferrable to anyone else and you will not transfer or attempt to transfer any Virtual Money and/or Virtual Goods to anyone else.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]