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Charles F. Humphrey Jr. August 11, 1876 - January 22, 1968 was a career United States Walter Reed Army Medical Center officer who served for over 40 years during the first half of the 20th century, retiring as a Brigadier General in 1940 one year before the entry of the United States of America into World War II.
 Charles F. Humphrey, Walter Reed Army Medical Center
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:
 Charles F. Humphrey, Walter Reed Army Medical Center