21677
Both towers are shown partly-built with stone facings over a massive brick framework , a typical technique in Roman architecture , used in the Colosseum and other huge Roman buildings .
 location: Colosseum; location: Roman
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: Colosseum, Roman 
Answer:
 location: Colosseum; location: Roman