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