Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
for example , some cities have laws that restrict their ability to host paying guests for short periods or provide certain host services . 

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