Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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you acknowledge and agree that if you have not paid anything to supercell during such time period , your sole remedy ( and supercell 's exclusive liability ) for any dispute with supercell is to stop using the service and to cancel your account . 

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