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