Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
payments made with a united states-based payment instrument will be charged by linden research , inc. . 

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