6220
Maryland did not abolish slavery until 1864 , and Delaware was one of the last states to hold onto slavery ; it was still legal in Delaware when the thirteenth amendment was issued .
 location: Maryland; location: Delaware; location: Delaware
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: Maryland, Delaware, Delaware 
Answer:
 location: Maryland; location: Delaware; location: Delaware