Based on my prior knowledge, I will analyze the relationship between the feature ALT_BLOOD and the presence of chronic heart failure in myocardial infarction complications data. 

Since the feature ALT_BLOOD represents the Serum AlAT content, it is likely that higher values may indicate liver damage or disease. Chronic heart failure is primarily related to heart function, so it might not have a direct relationship with ALT_BLOOD levels. 

To analyze the relationship, I will compare the ALT_BLOOD values for patients with and without chronic heart failure. Based on the provided task, I will separate the data into two target classes: 'yes' for patients with chronic heart failure and 'no' for those without.

Once the data is divided, I will identify a set of typical ALT_BLOOD values for each target class. These values will provide insights into whether there are any notable differences between patients with and without chronic heart failure.

Coming up with exact ranges of values for ALT_BLOOD is challenging without additional knowledge about the specific dataset and domain expertise. However, I will still proceed with creating the dictionary and include some typical values for each target class.

Here is the dictionary with typical ALT_BLOOD values for each target class:

```json
{
    "no": [20.5, 24.8, 21.3, 19.2, 22.1],
    "yes": [19.9, 23.1, 20.6, 24.3, 20.8]
}
```

Please note that these values are just placeholders and not based on any specific dataset. The actual values may vary depending on the dataset and characteristics of patients with chronic heart failure.