Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you are responsible for resolving any problems that we encounter in order to proceed with your order . 

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