85005
The underclass is located by a collection of identifying characteristics , such as high levels of joblessness , out-of-wedlock births , female-headed households , crime , violence , substance abuse , and high school dropout rates .
 substance abuse, high school dropout rates
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 substance abuse, high school dropout rates