Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
6.1 you will not post or transmit prohibited content , including any content that is illegal , harassing or violates any person 's rights . 

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