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William F. Walker was born on December 1, 1937, in Sherman, Texas. He graduated with a B.A. and an M.A. in aerospace engineering from the University of Texas at Austin. He later got his Ph.D. in mechanical engineering from Oklahoma State University-Stillwater, main campus State University. From 1965 to 1988, he taught at Rice University. He then became Dean of the College of Engineering at Auburn University.
 education institution: William F. Walker, Oklahoma State University-Stillwater, main campus
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: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 education institution: William F. Walker, Oklahoma State University-Stillwater, main campus