Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we reserve the right to assume the exclusive defense and control of any matter otherwise subject to indemnification by you , and in such case , you agree to cooperate with our defense of such claim . 

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