Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
8.3.3 you may not bring any additional individuals to an experience , event or other host service unless such an individual was added by you as an additional guest during the booking process on the airbnb platform . 

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