Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
hosts can pay co-hosts for one-time services and any other expenses using the resolution center . 

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