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