Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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in the event that the payment method that you designate can not be verified , is invalid or is not otherwise acceptable , we may suspend or cancel your order . 

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