517
the last time presidential candidates had that luxury was in 1960 - - richard nixon and john f . kennedy facing off over a $ 300 million surplus , not adjusted for inflation .
 person: presidential; person: presidential candidates; person: richard nixon; person: john f . kennedy
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 person: presidential; person: presidential candidates; person: richard nixon; person: john f . kennedy