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Riki Ellison , founder and president of the M.D.A.A., received a degree from the University of Southern California , including a certificate in defense and strategic studies, and has two decades of experience in missile defense advocacy, consultancy, and expertise. Ellison played nine seasons in the NFL with the San Francisco 49ers and Los Angeles Raiders. After winning two Rose Bowls and a national championship at USC, Ellison was selected in the 1983 NFL Draft by the 49ers, with whom he won three Super Bowl championships.
 education institution: Riki Ellison, University of Southern California
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: Riki Ellison, University of Southern California