4784
Published in " Science " in 1961 , Julius Axelrod found an " N " - methyltransferase enzyme capable of mediating biotransformation of tryptamine into DMT in a rabbit 's lung .
 person: Julius Axelrod
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: Julius Axelrod 
Answer:
 person: Julius Axelrod