350318
The smelter is owned by Canadian aluminium company Alcan , which is part of Rio Tinto .
 location: Canadian; organization: Rio Tinto
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: Canadian, Rio Tinto 
Answer:
 location: Canadian; organization: Rio Tinto