Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
12.2 if you feel that a posted message is objectionable or infringing , we encourage you to contact us immediately . 

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