Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
more information about when service fees apply and how they are calculated can be found on our service fees page . 

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