90634
The region of the Guiana Shield is mainly composed of mountainous formations called Tepuy ( plural " tepuis " ) , which can be traced back more than 2000 million years , and are the oldest formations on the planet .
 location: Guiana Shield; location: Tepuy
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: Guiana Shield, Tepuy 
Answer:
 location: Guiana Shield; location: Tepuy