Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the fitbit pay terms of service are set forth below and are incorporated into these terms . 

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