117297
2012 On December 18 , 2012 , Mark Zuckerberg , the principal founder and CEO of Facebook , announced a donation of 18 million Facebook shares to the Silicon Valley Community Foundation , which at the time of the donation were worth a total of about $ 500 million USD .
 person: Mark Zuckerberg; location: Silicon Valley; organization: Foundation
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Mark Zuckerberg, Silicon Valley, Foundation 
Answer:
 person: Mark Zuckerberg; location: Silicon Valley; organization: Foundation