Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
by accepting these terms of service , you agree to be bound by this arbitration clause and class action waiver . 

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