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Robert Whittaker Harding Whittaker December 27, 1920 - October 20, 1980 was a distinguished American plant ecologist, active in the 1950s to the 1970s. Born in Wichita, Kansas, he obtained a B.A. at Washburn Municipal College now Washburn University in Topeka, Kansas, and, following military service, his Ph.D. at the University of Illinois.
 education institution: Robert Whittaker, Washburn 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: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 education institution: Robert Whittaker, Washburn University