14304
Today , Sony is offering , and may already have sold , half a million sets of PlayStation 2 in the United States .
 date: Today; organization: Sony; cardinal: half a million; product: PlayStation 2; geographical social political: the United States
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: Today, Sony, half a million, PlayStation 2, the United States 
Answer:
 date: Today; organization: Sony; cardinal: half a million; product: PlayStation 2; geographical social political: the United States