Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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you agree that linden lab is not responsible or liable for the content , policies or practices of any third-party websites , servers or online services or environments . 

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. OPTIONS: ["Choice of law", "Content removal", "None", "Contract by using", "Limitation of liability", "Unilateral change", "Unilateral termination", "Jurisdiction", "Arbitration"].