858
In 1969 , James Earl Ray pleaded guilty in Memphis , Tenn. , to the assassination of civil rights leader Martin Luther King Junior .
 James Earl Ray, Martin Luther King Junior
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:
 James Earl Ray, Martin Luther King Junior