Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we do not review or endorse any of those websites or services . 

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