Based on prior knowledge, marital status can be an important factor in determining whether a person earns more than $50,000 per year. Generally, married individuals tend to have higher incomes compared to those who are not married. 

However, it is important to analyze the data in order to determine the specific relationship between marital status and the target variable.

Here is the dictionary that summarizes the relationship between marital status and the income level:

```json
{
	"no": ["Never-married", "Divorced", "Separated", "Widowed"],  
	"yes": ["Married-civ-spouse", "Married-spouse-absent", "Married-AF-spouse"]
}
```

Explanation:

- For the target class "no" (earning less than or equal to $50,000 per year), the possible values of marital status are "Never-married", "Divorced", "Separated", and "Widowed". These categories typically have lower incomes compared to the married categories.
- For the target class "yes" (earning more than $50,000 per year), the possible values of marital status are "Married-civ-spouse", "Married-spouse-absent", and "Married-AF-spouse". These categories generally have higher incomes.

Please note that this analysis is based on general trends and may not hold true for every individual case. Additionally, there may be other features that are important in determining income level, and further analysis would be required to fully assess the relationship between marital status and the target variable.