Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
i/we ( * ) hereby give notice that i/we ( * ) cancel my/our ( * ) contract of sale of the following goods ( * ) / for the provision of the following service ( * ) : 

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