Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
this website is provided solely to assist customers in gathering travel information , posting opinions of travel related issues , engaging in interactive travel forums , and searching for and booking travel reservations , and for no other purposes . 

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