4428
Legitimate mystical and medical alchemists such as Michael Maier and Heinrich Khunrath wrote about fraudulent transmutations , distinguishing themselves from the con artists .
 person: Michael Maier; person: Heinrich Khunrath
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: Michael Maier, Heinrich Khunrath 
Answer:
 person: Michael Maier; person: Heinrich Khunrath