Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
to the extent not prohibited by law , supercell shall not be liable to you for more than the amount you have paid to supercell in accordance with these terms of service in the six ( 6 ) months immediately preceding the date on which you first assert a claim . 

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