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In the late 1980s according to Richard Feynman and the Connection Machine Feynman played a crucial role in developing the first massively parallel computer and in finding innovative uses for it in numerical computations in building neural networks as well as physical simulations using cellular automata ( such as turbulent fluid flow ) working with  Stephen Wolfram  at  Caltech  .
 employee of: Stephen Wolfram, Caltech
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 employee of: Stephen Wolfram, Caltech