13804
Commerce Secretary Robert Mosbacher , who attended the ceremony , called the undertaking a `` historic step '' in the evolution of U.S. - Soviet ties .
 organization: Commerce; person: Robert Mosbacher; geographical social political: U.S.
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: Commerce, Robert Mosbacher, U.S. 
Answer:
 organization: Commerce; person: Robert Mosbacher; geographical social political: U.S.