Based on the provided feature description and task, we are looking to determine if the patient's myocardial infarction complications data show the presence of chronic heart failure. 

To analyze the relationship between the feature "inf_im" and the target variable of chronic heart failure, we need more information about the data and the relationship between the two variables. Specifically, we need to know how the different categories of the "inf_im" feature are related to the occurrence of chronic heart failure.

Without further information, it is difficult to accurately determine the relationship between "inf_im" and chronic heart failure. However, we can still create a dictionary that includes the categories of the "inf_im" feature for each possible target class (yes and no) based on provided values.

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

Please note that without more information, the dictionary includes all the possible categories of the "inf_im" feature for both target classes. However, with more specific information about the relationship between the "inf_im" feature and chronic heart failure, we would be able to provide a more accurate analysis and dictionary.