Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
( b ) use the products or any part of them to create any tool or software product that can be used to create software applications of any nature whatsoever ; 

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