Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
co-hosts may only act in an individual capacity and not on behalf of a company or other organization , unless expressly authorized by airbnb . 

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