90129
The problem of universals is considered a central issue in traditional metaphysics and can be traced back to Plato and Aristotle 's philosophy , particularly in their attempt to explain the nature and status of forms .
 person: Plato; person: Aristotle
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: Plato, Aristotle 
Answer:
 person: Plato; person: Aristotle