Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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no such refunds will apply to subsequent renewals of the yearly and two year subscriptions or subscriptions purchased through the apple itunes store or our iphone application , or the google play store or our android application . 

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