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The Strecker amino-acid synthesis , devised by Adolph Strecker , is a series of chemical reaction s that synthesize an amino acid from an aldehyde or ketone .
 person: Strecker; person: Adolph Strecker
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: Strecker, Adolph Strecker 
Answer:
 person: Strecker; person: Adolph Strecker