1968
In 1872 , the 30th president of the United States , Calvin Coolidge , was born in Plymouth , Vt .
 Calvin Coolidge, Plymouth , Vt
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Calvin Coolidge, Plymouth , Vt