6404
Amongst the speakers at this particular demonstration was Coretta Scott King who spoke in place of her husband , Martin Luther King , Jr . who had been assassinated earlier on April 4 .
 person: Coretta Scott King; person: Martin Luther King , Jr .
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Coretta Scott King; person: Martin Luther King , Jr .