Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
12.2 the airbnb platform facilitates bookings between guests and hosts who may prefer to pay in a currency different from their destination currency , which may require currency conversions to accommodate these differing currency preferences . 

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