189031
Riess was " Wissenschaftlicher Angestellter " ( roughly equivalent to Assistant Professor ) in the Seminar für Alte Geschichte und Epigraphik of the University of Heidelberg from 1999 through 2003 .
 person: Riess; organization: Heidelberg
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: Riess, Heidelberg 
Answer:
 person: Riess; organization: Heidelberg