Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
( i ) use this website or its contents for any commercial purpose ; 

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