Based on prior knowledge, the capital-gain feature represents the financial gains an individual has made in the past year. To determine how it relates to the task of whether a person earns more than $50,000 per year, we can analyze the relationship between different ranges of capital-gain values and the target variable.

Here is an analysis of the relationship between the capital-gain feature and the task:

- For individuals who earn less than $50,000 per year (target class: no), we can expect to see lower capital-gain values. This is because individuals who earn less tend to have fewer opportunities or resources to generate significant financial gains.
- For individuals who earn more than $50,000 per year (target class: yes), we can expect to see a wider range of capital-gain values. These individuals may have more investment opportunities or higher-paying jobs, resulting in higher capital gains.

Based on this analysis, here is the dictionary with possible values for each target class:

```json
{
	"no": [0, 144, 653, 3456, 6789],
	"yes": [5000, 10000, 20000, 40000, 60000]
}
```

Please note that these potential capital-gain values are general examples and may not necessarily reflect the specific ranges observed in the dataset you are analyzing.