Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
any violation or attempted violation of this provision may result in the immediate termination of your ability to access the fitbit service . 

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