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Agate is one of the most common materials used in the art of hardstone carving , and has been recovered at a number of ancient sites , indicating its widespread use in the ancient world ; for example , archaeological recovery at the Knossos site on Crete illustrates its role in Bronze Age Minoan culture .
 location: Knossos; location: Crete
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: Knossos, Crete 
Answer:
 location: Knossos; location: Crete