22442
From the age of nine , he was a student of Professor Friedrich Wieck ( the father of Clara Schumann ) .
 person: Friedrich Wieck; person: Clara Schumann
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: Friedrich Wieck, Clara Schumann 
Answer:
 person: Friedrich Wieck; person: Clara Schumann