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Glen Edwards (born July 31, 1947 in St. Petersburg, Florida) played safety for the Pittsburgh Steelers from 1971 to 1977, and for the San Diego Chargers from 1978 to 1981. Edwards is a Gibbs High School  alumnus.
 education institution: Glen Edwards, Gibbs High School 
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: Glen Edwards, Gibbs High School 