12858
The canal allowed steamboats and sailing ships on the Great Lakes to connect to the Mississippi River .
 location: Great Lakes; location: Mississippi River
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: Great Lakes, Mississippi River 
Answer:
 location: Great Lakes; location: Mississippi River