Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
13.1 as a host you are solely responsible for determining your obligations to report , collect , remit or include in your listing fees any applicable vat or other indirect sales taxes , occupancy tax , tourist or other visitor taxes or income taxes ( `` taxes '' ) . 

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