After analyzing the relationship between the feature "fibr_ter_07" and the task of determining chronic heart failure, we can create a dictionary with the possible values of the feature for each target class.

Based on prior knowledge, it is difficult to predict the exact relationship between fibr_ter_07 and chronic heart failure. However, we can still generate a dictionary by including all the possible values of fibr_ter_07 for each target class.

Here is the dictionary:

```json
{
	"no": ["no", "yes"],
	"yes": ["no", "yes"]
}
```

Please note that since the relationship between fibr_ter_07 and chronic heart failure is uncertain, we include all possible values of fibr_ter_07 for both target classes ("no" and "yes").