156739
Key ( February 4 , 1900 – July 15 , 1988 ) of Tennessee , a descendant of David M. Key , served as United States Ambassador to Burma from March 1950 to October 1951 , and later as the Assistant Secretary of State for International Organization Affairs of the State Department .
 Key, Tennessee, David M. Key, State Department
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Key, Tennessee, David M. Key, State Department