Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you acknowledge and assume the risk of the possibility of termination of your account as provided in this agreement , and you represent that you will make your decisions to participate in the service , contribute content , spend your money and dispose of transferable licenses at all times knowingly based upon these risks . 

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