Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if you choose to use the airbnb platform or collective content , you do so voluntarily and at your sole risk . 

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