Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if your account is terminated due to your breach of this agreement during the relevant cancelation period , you will not be refunded . 

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