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Riki Ellison was a star linebacker at the University of Southern California . He also won three Super Bowl championships in a 10-year NFL career. The elder Ellison obviously knows something about team dynamics and what it takes to win. Which is why his recent social media posts actually carry weight. Riki Ellison dishing dirt on his son is team former team may be unsightly to some. But it is hard to dispute the veracity of Ellison is words, however.
 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