Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we do not necessarily endorse any opinion contained in such material . 

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