Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
oculus may attempt to collect unpaid charges , including by attempting additional charges to your payment instrument , use of collections agencies and any other legal means . 

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