Based on prior knowledge, the RestingECG feature is likely to be related to the presence of heart disease. Here is the analysis and the dictionary:

Analysis:
- Normal RestingECG: This is likely to be associated with a lower probability of heart disease. It is expected to be more common in the "no" class.
- ST RestingECG: This could indicate potential heart problems, specifically related to ST segment abnormalities. It might be associated with a higher probability of heart disease. It is expected to be more common in the "yes" class.
- LVH RestingECG (Left Ventricular Hypertrophy): This suggests an abnormal thickening of the heart muscle, which could lead to heart disease. It might be associated with a higher probability of heart disease. It is expected to be more common in the "yes" class.

Based on this analysis, the dictionary would be:

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