Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
18.2 no class arbitrations , class actions or representative actions . 

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