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Gerd Becker ( born 3 May 1940 in Eschwege , Germany ) is a German chemist .
 person: Gerd Becker; location: Eschwege
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: Gerd Becker, Eschwege 
Answer:
 person: Gerd Becker; location: Eschwege