Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
by default , all subscriptions are set to automatically renew for the same period of time as the original subscription . 

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