[{'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: MobilityWare has no liability for hacking or loss of your virtual items. MobilityWare has no obligation to, and will not, reimburse you for any virtual items lost due to your violation of these Terms of Use. MobilityWare reserves the right, without prior notification, to limit the order quantity on any virtual item and/or to refuse to provide you with any virtual items. Price and availability of virtual items are subject to change without notice."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]