303824
On top of the oreum , there is a shallow crater lake in which the level of water changes by the seasons and this water is just from rainfalls due to the topographical features of Mulyeongari-oreum .
 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