28392
The purchase was made by Rockwell Graphic Systems , a Chicago subsidiary of the El Segundo , Calif. , concern .
 organization: Rockwell Graphic Systems; geographical social political: Chicago; geographical social political: El Segundo; geographical social political: Calif.
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
 Entities: Rockwell Graphic Systems, Chicago, El Segundo, Calif. 
Answer:
 organization: Rockwell Graphic Systems; geographical social political: Chicago; geographical social political: El Segundo; geographical social political: Calif.