1931
` ` The luck was that the book came out at a time when there was a president of the United States who read books , John Kennedy , and he read it , ' ' Harrington said.
 John Kennedy, United States
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:
 John Kennedy, United States