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", "None", "Limitation of liability", "Unilateral termination", "Arbitration", "Jurisdiction", "Unilateral change", "Content removal", "Choice of law"].