Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
9.2 guests can cancel a confirmed booking at any time subject to the listing 's cancellation policy , and airbnb payments will provide any refund to the guest in accordance with such cancellation policy . 

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