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