5856
Canada is a world leader in the production of many natural resources such as gold , nickel , uranium , diamonds , lead , and in recent years , crude petroleum , which , with the world 's second-largest oil reserves , is taking an increasingly prominent position in natural resources extraction .
 location: Canada
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: Canada 
Answer:
 location: Canada