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