Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
hosts acknowledge that reviews and ratings from guests for their listing ( s ) may be impacted by a co-host 's conduct and performance . 

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