Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
products that you may acquire via third-party shopping services are not registered to your nintendo account . 

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