15946
They are the remains of several mammals belonging to the Late Miocene Era , 7 million to 8 million years old .
 location: Late Miocene Era
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: Late Miocene Era 
Answer:
 location: Late Miocene Era