Based on prior knowledge, we can analyze the relationship between the feature "inf_im" and the presence of chronic heart failure in patients with myocardial infarction complications. Since the specific descriptions of the categories are not provided, we can make some general assumptions based on typical ECG changes observed in patients with inferior myocardial infarction.

In general, patients with chronic heart failure may exhibit specific ECG changes that can be associated with an inferior myocardial infarction. These changes might include QRS complexes similar to Qr- or QR-complexes.

Let's proceed with the analysis and generate the dictionary:

```json
{
	"no": [
		"there is no infarct in this location",
		"QRS has no changes"
	],
	"yes": [
		"QRS is like Qr-complex",
		"QRS is like QR-complex",
		"QRS is like QS-complex"
	]
}
```

Please note that this dictionary is based on assumptions and general knowledge. Without specific information about the categories, the analysis might not be precise.