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