Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
• contains sexually explicit content or pornography ( provided , however , that non-sexual nudity is permitted ) ; 

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