1847
Eight years later Nixon won the Electoral College and a popular - vote margin of 510 , 645 out of 73 . 2 million votes cast for president .
 person: Nixon; person: the Electoral College; person: president
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: Nixon, the Electoral College, president 
Answer:
 person: Nixon; person: the Electoral College; person: president