Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
host are alone responsible for identifying and obtaining any required licenses , permits , or registrations for any host services they offer . 

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