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One of Synesius 's letters describes Hypatia as having taught him how to construct a silver plane astrolabe as a gift for an official .
 person: Synesius; person: Hypatia
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: Synesius, Hypatia 
Answer:
 person: Synesius; person: Hypatia