Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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`` account '' means the entirety of your contractual rights and obligations under this agreement associated with a particular account name ( defined below ) you have selected for accessing the service . 

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