Based on prior knowledge, we can analyze the relationship between the feature "np_05" (LBBB in the anterior branch in the anamnesis) and the task of determining if the patient has chronic heart failure.

In order to determine this relationship, we would need data on the presence or absence of chronic heart failure for patients with and without LBBB in the anterior branch in their medical history.

We will assume that the data contains information on patients with and without chronic heart failure, and for each group, we have information on whether they have LBBB in the anterior branch in their medical history or not.

Based on this assumption, we can analyze the relationship as follows:

For patients with chronic heart failure (target class: yes):
- If the feature "np_05" (LBBB in the anterior branch) has values like "yes" for patients with chronic heart failure, we can include those values in the list for target class yes.
- If there are additional specific values of "np_05" that are more common or frequent among patients with chronic heart failure, we can also include those in the list for target class yes.

For patients without chronic heart failure (target class: no):
- If the feature "np_05" (LBBB in the anterior branch) has values like "no" for patients without chronic heart failure, we can include those values in the list for target class no.
- If there are additional specific values of "np_05" that are more common or frequent among patients without chronic heart failure, we can also include those in the list for target class no.

If there are some values of "np_05" that are difficult to predict or don't have a clear relationship with the presence of chronic heart failure, we can exclude them from the dictionary.

Based on the data and analysis, the dictionary will follow the format provided:
```json
{
	"no": ["no"],
	"yes": ["yes"]
}
```

In this case, the feature "np_05" only has two possible values: "no" (indicating absence of LBBB in the anterior branch in the anamnesis) and "yes" (indicating presence of LBBB in the anterior branch in the anamnesis). Therefore, the dictionary lists only these two values for the respective target classes.