5745
Almost all of the region is formed by Bunter sandstone and this defines both its relief and the surface of the land apart from occasional layers of overlying volcanic basalt .
 None
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:  
Answer:
 None