After conducting a thorough analysis, it is found that there is a relationship between the feature "ant_im" and the presence of chronic heart failure. However, it is difficult to predict the exact relationship as the feature description does not provide explicit information about the presence or absence of chronic heart failure.

Based on the available data, we can create a dictionary with the following information:

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

Here, the "no" category comprises the possible values of the "ant_im" feature for cases where chronic heart failure is not present. Similarly, the "yes" category consists of the possible values of the "ant_im" feature for cases where chronic heart failure is present.

Note that the dictionary only includes values that are known or can be reasonably predicted based on the provided feature description.