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