Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
headspace will notify the recipient prior to the end of the gift subscription that the gift period is about to expire . 

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