62498
Historically , the coast west of Königsberg in Prussia was the world 's leading source of amber .
 location: Königsberg; location: Prussia
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: Königsberg, Prussia 
Answer:
 location: Königsberg; location: Prussia