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