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Peter Richard Armstrong is first degree was in aeronautical engineering. After working for two years on the development of gas turbines, he spent five years with the Central Electri City Of Leicester Generating Board at Berkeley Nuclear Laboratories. During this period he was co-developer of the mathematical model of the plastic behaviour of materials which is now standard in stress analysis computer programmes.
 Richard Armstrong, City Of Leicester
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 Richard Armstrong, City Of Leicester