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teaching in both public an Richard D private schools for a number of years, Dr. Ingersoll obtained a Ph.D. in sociology from the University of Pennsylvania in 1992. From 1995 to 2000 he was a faculty member in the Sociology Department at the University of Georgia. Currently he is the Board of Overseers Professor of Education and Sociology at the University of Pennsylvania.
 education institution: Richard D, University of Pennsylvania
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  Richard D, University of Pennsylvania 
Answer:
 education institution: Richard D, University of Pennsylvania