Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
unless otherwise agreed to , we do not claim any ownership rights in or to your user content . 

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