Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you are granted a limited , non-exclusive right to create text hyperlinks to our websites for non-commercial purposes ; however , you may not use our logos or other proprietary graphics to link to our sites without our express written permission . 

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