9338
Methane and ethane have also been detected in the tail of the comet Hyakutake .
 location: Hyakutake
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: Hyakutake 
Answer:
 location: Hyakutake