Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
depending on the nature of your account , `` you '' will refer to yourself and any entity that you are acting on behalf of . 

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