Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
supercell reserves the right to take action as a result , which may include terminating your account and prohibiting you from using the service in whole or in part . 

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