Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
all other trademarks , service marks , logos , trade names and any other proprietary designations are the trademarks or registered trademarks of their respective owners and may not be used without permission of the applicable trademark holder . 

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