1467
Her husband 's assassin , Mark David Chapman , said he had decided to kill John Lennon in 1980 after reading an article about the former Beatle in a magazine , Ono said .
 Mark David Chapman, John Lennon
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:
 Mark David Chapman, John Lennon