Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you are responsible for activities related to your account name , and for keeping your password for your account ( s ) secure . 

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