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