```json
{
	"no": [17, 18, 19, 20, 21],
	"yes": [30, 35, 40, 45, 50]
}
```

Based on prior knowledge, younger individuals who are in the age range of 17 to 21 are more likely to earn less than 50000 dollars per year. Therefore, these age values are included in the "no" category, indicating that individuals in this age range tend to have an income less than 50000 dollars.

On the other hand, individuals who are in the age range of 30 to 50 are more likely to have a higher income and earn more than 50000 dollars per year. Therefore, these age values are included in the "yes" category, indicating that individuals in this age range tend to have an income greater than 50000 dollars.