Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
oculus will be responsible for all billing questions related to the purchase of services and for support with respect to the oculus platform . 

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