4826
Their plantations were vast tracts of land in the surrounding lowlands along the river fronts of Mississippi and Louisiana , where they grew large commodity crops of cotton and sugarcane using slave labor .
 location: Mississippi; location: Louisiana
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: Mississippi, Louisiana 
Answer:
 location: Mississippi; location: Louisiana