8594
Ponder & Lindberg ( 1997 ) used only four families to analyze the Euthyneura .
 person: Ponder; person: Lindberg
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: Ponder, Lindberg 
Answer:
 person: Ponder; person: Lindberg