Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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unless the arbitrator determines that your claim was frivolous or filed for the purpose of harassment , airbnb agrees it will not seek , and hereby waives all rights it may have under applicable law or the aaa rules , to recover attorneys ' fees and expenses if it prevails in arbitration . 

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