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Glen Edwards born July 31, 1947 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 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:  Glen Edwards, Gibbs High School  
Answer:
 education institution: Glen Edwards, Gibbs High School 