Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
request , accept or make any payment for listing fees outside of the airbnb platform or airbnb payments . 

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