Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
supercell reserves the right to remove or reclaim any usernames at any time and for any reason , including but not limited to claims by a third party that a username violates the third party 's rights . 

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