Based on prior knowledge, the feature "relationship" can be a good indicator of whether a person earns more than $50,000 per year or not.

Analysis of the feature "relationship":
1. "Own-child": This category indicates that the person is a child of someone else. It is less likely for a person who is an "Own-child" to earn more than $50,000 per year.
2. "Husband" and "Wife": These categories indicate that the person is married. It is more likely for a person who is a husband or wife to earn more than $50,000 per year.
3. "Not-in-family": This category indicates that the person is not related to others in the household. It is uncertain whether a person in this category would earn more than $50,000 per year.
4. "Unmarried": This category indicates that the person is not married. It is uncertain whether a person in this category would earn more than $50,000 per year.
5. "Other-relative": This category indicates that the person is related to others in the household, but not as a spouse, child, or parent. It is uncertain whether a person in this category would earn more than $50,000 per year.

Based on the analysis, the dictionary would look like:

```json
{
	"no": ["Own-child"],
	"yes": ["Husband", "Wife"]
}
```

Since it is uncertain whether the other categories would indicate higher or lower income, they are not included in the dictionary.