78151
Glaciers with their permanent snowpacks cover about 10 % of the earth 's surface , while seasonal snow covers about nine percent , A 2007 estimate of snow cover over the Northern Hemisphere suggested that , on average , snow cover ranges from a minimum extent of each August to a maximum extent of each January or nearly half of the land surface in that hemisphere .
 location: Northern Hemisphere
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: Northern Hemisphere 
Answer:
 location: Northern Hemisphere