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Rationalist views can range from modest views in mathematics and logic ( such as that of Gottlob Frege ) to ambitious metaphysical systems ( such as that of Baruch Spinoza ) .
 person: Gottlob Frege; person: Baruch Spinoza
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: Gottlob Frege, Baruch Spinoza 
Answer:
 person: Gottlob Frege; person: Baruch Spinoza