384158
History The canal was dug between 1864 and 1868 by engineer Nils Ericson .
 person: Nils Ericson
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: Nils Ericson 
Answer:
 person: Nils Ericson