27156
Those obsolete operations cost less than $ 2 billion a year , and keep Mac 's ghost quiet .
 money: less than $ 2 billion; person: Mac
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: less than $ 2 billion, Mac 
Answer:
 money: less than $ 2 billion; person: Mac