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The history covers the years 305 to 439 , and experts believe it was finished in 439 or soon thereafter , and certainly during the lifetime of Emperor Theodosius II , i.e. , before 450 .
 person: Theodosius II
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: Theodosius II 
Answer:
 person: Theodosius II