286758
Set in the early 20th century , the song contains allusions to boxers Jack Dempsey and Jack Johnson ; it also credits Sylveste with averting the sinking of the Lusitania .
 person: Jack Dempsey; person: Jack Johnson
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Jack Dempsey, Jack Johnson 
Answer:
 person: Jack Dempsey; person: Jack Johnson