Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we may accept , decline , or place limits on your order for any reason . 

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