1345
For example , 66 % of the 18 to 24 year olds in the four latest surveys favored an `` open housing '' law prohibiting homeowners from refusing on racial grounds to sell to prospective buyers .
 percent: 66 %; date: the 18 to 24 year olds; cardinal: four
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: 66 %, the 18 to 24 year olds, four 
Answer:
 percent: 66 %; date: the 18 to 24 year olds; cardinal: four