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During his time in the Bavarian Landtag , Ach was a member of the committee for budget and finance matters after 1994 , and was its committee chairman from 1998 to 2008 .
 person: Ach
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: Ach 
Answer:
 person: Ach