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