Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
supercell may reject , refuse to post or delete any user content for any or no reason , including , but not limited to , user content that in the sole judgment of supercell violates these terms of service . 

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