Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
however , if such a child wins , notification will be sent to the parent or guardian 's e-mail address ( provided by the child when he/she enters the contest ) . 

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