Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
9.6 unsolicited ideas and materials prohibited ; no confidential or special relationship with linden lab . 

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