Based on prior knowledge, ventricular paroxysmal tachycardia in the anamnesis (feature nr_08) can potentially be relevant to chronic heart failure. Tachycardia refers to an abnormally fast heart rate, indicating that there may be a relationship between the occurrence of ventricular paroxysmal tachycardia and the development of chronic heart failure. 

To generate the dictionary, we first need to analyze the relationship between feature nr_08 and the presence of chronic heart failure. This can be done by examining the distribution of feature nr_08 for patients with and without chronic heart failure.

Here is an example of a possible dictionary based on the analysis:

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

In this scenario, the analysis indicates that the feature nr_08 only has two possible values: "yes" and "no". The values in the dictionary represent the possible values of feature nr_08 for each target class. Since chronic heart failure is a potential complication of myocardial infarction, it is likely that patients with chronic heart failure will have a value of "yes" for feature nr_08.

Please note that this is just an example dictionary based on limited information provided. The actual values in the dictionary may differ based on the dataset and analysis performed.