Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
5.4 we may terminate your accounts upon a general suspension or discontinuation of the service . 

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