Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
any attempt by you to assign or transfer these terms , without such consent , will be null . 

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