62976
A short interpretive trail leads visitors to a cliff-face exposure of Eocene shales that were deposited in an inter-montane lake .
 location: Eocene
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: Eocene 
Answer:
 location: Eocene