Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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these terms of service contain important terms and conditions that affect you and your use of the services , including , unless you choose to opt out , a provision regarding binding arbitration of disputes ( other than certain specified intellectual property claims and small claims ) and a waiver of certain rights to jury trials and/or class actions . 

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