Based on prior knowledge, the feature "n_p_ecg_p_06" represents the presence or absence of Third-degree AV block on an ECG at the time of admission to the hospital. 

To analyze the relationship between this feature and the presence of chronic heart failure in myocardial infarction complications data, we can inspect the occurrence of Third-degree AV block in patients with and without chronic heart failure.

Here is the analysis for the given feature and task:

- For patients with chronic heart failure:
    - Possible values of feature "n_p_ecg_p_06": ['no', 'yes']
    - Explanation: Patients with chronic heart failure may or may not have shown Third-degree AV block on the ECG at the time of admission to the hospital.

- For patients without chronic heart failure:
    - Possible values of feature "n_p_ecg_p_06": ['no', 'yes']
    - Explanation: Patients without chronic heart failure may or may not have shown Third-degree AV block on the ECG at the time of admission to the hospital.

Based on the above analysis, we can create the following dictionary:

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

This dictionary indicates that both target classes, "no" (no chronic heart failure) and "yes" (chronic heart failure), can have patients with and without Third-degree AV block as indicated by the possible values of the feature "n_p_ecg_p_06".

Please note that this analysis assumes the feature "n_p_ecg_p_06" is directly related to chronic heart failure, and further analysis or domain expertise might be required to determine the exact relationship.