76456
After the discovery of the interaction between such a current and a magnetic field , namely the electromagnetic interaction by Hans Christian Ørsted in 1820 much progress was soon made .
 person: Hans Christian Ørsted
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Hans Christian Ørsted 
Answer:
 person: Hans Christian Ørsted