Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you understand and agree that without a written license agreement with linden lab , we do not authorize you to make any use of the linden marks , including but not limited to `` linden , '' or `` linden lab '' . 

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