Based on my prior knowledge, cardiogenic shock at the time of admission to the intensive care unit (K_SH_POST) can be a potential risk factor for chronic heart failure in patients with myocardial infarction complications. I will analyze the relationship between the feature and the task.

To conduct this analysis, I would first gather data on patients with myocardial infarction complications, and for each patient, record whether they have cardiogenic shock at the time of admission to the ICU. I would then determine if those patients develop chronic heart failure or not.

After analyzing the relationship between the feature and the task, I can create a dictionary as follows:

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

Since the feature is binary and indicates the presence or absence of cardiogenic shock, the possible values for the feature are only "yes" or "no". In this case, if a patient has cardiogenic shock at the time of admission to the ICU, it is more likely that they will develop chronic heart failure, and if they do not have cardiogenic shock, they are less likely to develop chronic heart failure.