50078
Most fundamentally all substances are matter , a theme taken up by science , which postulated one or more matters , such as earth , air , fire or water ( Empedocles ) .
 person: Empedocles
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: Empedocles 
Answer:
 person: Empedocles