4242
Bruno Walter and Otto Klemperer had been approached to succeed him , but the approaches were inconclusive .
 person: Bruno Walter; person: Otto Klemperer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Bruno Walter; person: Otto Klemperer