Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if a fault occurs in the products , please report it to us at help@headspace.com and we will review your complaint and , where we determine it is appropriate to do so , correct the fault . 

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