Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
instructions for right to cancel ( of a transaction in nintendo shopping services ) 

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