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AL Donald Peterson Russ Stewart. Russ has been here at the school for quite a few years, more than fifteen years. RUSS STEWART I was a test pilot on quite a few U.S. Air Force Test Pilot School Force programs, to include the A-10. Then I went back to the Air Force test pilot school as the chief of academics there. AL PETERSON One of our younger instructors is Yannis Tsolekas. Yanni is out of the Greek Air Force.
 education institution: Donald Peterson, U.S. Air Force Test Pilot 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: Donald Peterson, U.S. Air Force Test Pilot School