Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
appropriate legal action may be taken for any illegal or unauthorized use of the products . 

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