Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if you purchase a subscription through the google play store you may cancel automatic renewals in account settings under subscriptions in the google play app , or according to the current process outlined by google play . 

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