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