```json
{
	"yes": ["none", "guarantor", "co applicant"],
	"no": ["none", "guarantor", "co applicant"]
}
```
Based on prior knowledge, the feature "other_parties" has three possible categories: "none", "guarantor", and "co applicant". Since both the "yes" and "no" target classes can have any of these categories, we include all three in the dictionary for both classes.