Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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you agree to be bound by this agreement for any such associated nintendo accounts ( including those for children below the age of 13 ) you hold now or set up later and that you are responsible for all activities and transactions that take place through your nintendo account and any associated nintendo accounts . 

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