Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if you rely on any fitbit content or the fitbit service , you do so solely at your own risk . 

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