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", "Unilateral termination", "Jurisdiction", "Unilateral change", "Contract by using", "Arbitration", "Choice of law", "None"].