Based on my prior knowledge, I can analyze the relationship between the feature "RestingECG" and whether the coronary angiography shows a heart disease.

RestingECG is the resting electrocardiogram (ECG) results. The ECG is a diagnostic tool that measures the electrical activity of the heart. It provides information about the heart's rhythm and any abnormalities that may be present.

To understand the relationship between RestingECG and heart disease, we can look at previous research and medical knowledge. Here are some observations:

1. Normal RestingECG: Patients with a normal resting ECG often do not show any significant abnormalities or signs of heart disease. However, it does not completely rule out the possibility of heart disease, as other tests and evaluations are required for a definitive diagnosis.

2. ST (ST-T wave abnormality): ST-T wave abnormalities on an ECG can indicate various conditions, including myocardial ischemia or injury. This abnormality may be associated with a higher likelihood of heart disease, but further evaluation is necessary.

3. LVH (Left Ventricular Hypertrophy): LVH refers to the thickening of the left ventricle of the heart. It can result from various factors, including cardiovascular diseases such as hypertension and heart valve disorders. LVH on a RestingECG may indicate an increased risk of heart disease.

Based on these observations, we can create a dictionary with the possible values of the RestingECG feature for each target class (yes and no). The dictionary will include the most relevant values associated with heart disease.

```json
{
	"no": ["Normal"],
	"yes": ["ST", "LVH"]
}
```

In this case, the "no" class includes patients with a normal RestingECG, suggesting a lower likelihood of heart disease. The "yes" class includes patients with RestingECG values of "ST" or "LVH", indicating a higher likelihood of heart disease.