Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
`` account '' means the entirety of your contractual rights and obligations under this agreement associated with a particular account name ( defined below ) you have selected for accessing the service . 

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