Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the licence for digital products may be acquired in various ways , subject to availability in your country . 

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