1982
As shown first by Apollonius of Perga , a hyperbola can be used to trisect any angle , a well studied problem of geometry .
 person: Apollonius of Perga
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: Apollonius of Perga 
Answer:
 person: Apollonius of Perga