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