Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
depending upon your age and the age requirements set forth in an applicable product policy , registration may require parental consent . 

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