Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
any false or fraudulent reservation is prohibited , and any user who attempts such a reservation may have his or her tripadvisor membership terminated . 

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