Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
15.2 you expressly acknowledge and agree that your access to and use of the services is at your sole risk . 

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