Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you also hereby grant to supercell the right to authorize others to exercise any of the rights granted to supercell under these terms of service . 

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