Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
it is our policy to terminate privileges of any user who repeatedly infringes the copyright rights of others upon receipt of proper notification to us by the copyright owner or the copyright owner 's legal agent . 

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