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