Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you should ensure that you have only stored content on the servers to which you are willing to permanently lose access . 

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