102992
The ice sheet of the most recent ice age retreated about ten thousand years ago leaving Cwm Idwal as an example of a cirque .
 location: Cwm Idwal
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Cwm Idwal 
Answer:
 location: Cwm Idwal