Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
when using the nintendo account service , you must comply with the nintendo code of conduct . 

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