To analyze the relationship between the feature "balance" and the target variable "subscription to a term deposit", we can examine the typical balance values for both target classes.

Based on prior knowledge, we can assume that a higher average yearly balance may indicate a greater likelihood of subscribing to a term deposit. However, it is important to consider the dataset and see if it supports this assumption.

Here's the dictionary capturing the relationship between the feature "balance" and the target variable:

```json
{
	"no": [0.0, 100.0, 200.0, 500.0, 1000.0],
	"yes": [2500.0, 5000.0, 10000.0, 20000.0, 50000.0]
}
```

The values provided are for demonstration purposes only and the actual values would depend on the dataset being analyzed.