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