4070
After German unification , Soviet troops stationed in Germany starting from 1991 , withdrew in groups .
 national religious political: German; national religious political: Soviet; geographical social political: Germany; date: 1991
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: German, Soviet, Germany, 1991 
Answer:
 national religious political: German; national religious political: Soviet; geographical social political: Germany; date: 1991