447
like many heartland states , iowa has had trouble keeping young people down on the farm or anywhere within state lines .
 geographical social political: many heartland states; geographical social political: iowa; geographical social political: state; person: young people; facility: the farm; location: heartland; location: anywhere within state lines; location: state lines
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: many heartland states; geographical social political: iowa; geographical social political: state; person: young people; facility: the farm; location: heartland; location: anywhere within state lines; location: state lines