Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
7.3 we do not systematically review user material submitted by you or other users . 

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