Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
oculus , oculus vr , rift and the oculus logo ( `` oculus marks '' ) are trademarks or registered trademarks of oculus vr , llc . 

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