372169
In December 2009 , von Baer lost a very tight race for a seat in the Senate .
 person: von Baer
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: von Baer 
Answer:
 person: von Baer