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long road remains ahead for Peter Stetina , but his doctors and family said he has come a long way since his accident Aug. 31, when Stetina was airlifted to Boulder Community Hospital after he crashed while trying to avoid a car. If he had not had the immediate airlift, he would have died there, Wayne Stetina said. Doctors were not sure if he would survive the first two weeks. That shows you how serious it was and how far he is come.
 place of birth: Peter Stetina, Boulder
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:  Peter Stetina, Boulder 
Answer:
 place of birth: Peter Stetina, Boulder