Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
airbnb payments will collect the total fees at the time of the booking request or upon the host 's confirmation pursuant to the payments terms . 

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