6940
Nathaniel Hawthorne wrote of the novel in a letter to William D. Ticknor : " What is the mystery of these innumerable editions of the Lamplighter , and other books neither better nor worse ? "
 person: Nathaniel Hawthorne; person: William D. Ticknor
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: Nathaniel Hawthorne, William D. Ticknor 
Answer:
 person: Nathaniel Hawthorne; person: William D. Ticknor