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She is a Professor of Materials Science and of Chemical Engineering at the Caltech , who created a new type of fuel cell .
 organization: Science; organization: Caltech
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: Science, Caltech 
Answer:
 organization: Science; organization: Caltech