21145
Over the past two years , Soviet ministries have been talking to international firms , including Occidental Petroleum Co. and Combustion Engineering Inc. of the U.S. , Montedison S.p.A. of Italy and several Japanese groups , about jointly building and operating several big petrochemical plants .
 date: the past two years; national religious political: Soviet; organization: Occidental Petroleum Co.; organization: Combustion Engineering Inc.; geographical social political: U.S.; organization: Montedison S.p.A.; geographical social political: Italy; national religious political: Japanese
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: the past two years, Soviet, Occidental Petroleum Co., Combustion Engineering Inc., U.S., Montedison S.p.A., Italy, Japanese 
Answer:
 date: the past two years; national religious political: Soviet; organization: Occidental Petroleum Co.; organization: Combustion Engineering Inc.; geographical social political: U.S.; organization: Montedison S.p.A.; geographical social political: Italy; national religious political: Japanese