Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
in the event that the payment method that you designate can not be verified , is invalid or is not otherwise acceptable , we may suspend or cancel your order . 

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