44726
By January 1937 he was at Alcubierre above sea level , in the depth of winter .
 location: Alcubierre
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: Alcubierre 
Answer:
 location: Alcubierre