25070
This is good news because we have a reasonably good idea of how much plutonium they have made , '' said Siegfried S. Hecker , the former chief of the Los Alamos National Laboratory and now a visiting professor at Stanford University .
 person of company: Siegfried S. Hecker, Stanford University
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 person of company: Siegfried S. Hecker, Stanford University