37142
Groundwater may have existed at Gusev and Meridiani Planum .
 location: Gusev; location: Meridiani Planum
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: Gusev, Meridiani Planum 
Answer:
 location: Gusev; location: Meridiani Planum