Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
fitbit will pay all arbitration fees for claims less than $ 75,000 . 

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