Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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you agree to defend and indemnify tripadvisor and its affiliates and any of their officers , directors , employees and agents from and against any claims , causes of action , demands , recoveries , losses , damages , fines , penalties or other costs or expenses of any kind or nature including but not limited to reasonable legal and accounting fees , brought by third parties as a result of : 

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