Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the third-party suppliers providing hotel or vacation rental property information , travel or other services on this website are independent contractors and not agents or employees of the tripadvisor media group companies . 

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