Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you accept full responsibility for any unauthorized use of the service by minors . 

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