Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
accounts can not be offered to anyone not employed by you or acting on your behalf . 

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