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Toronto-based Barrick , the world 's third largest gold producer , sweetened its July 11 bid to C$ 30 a share from C$ 27 on August 16 after a fresh batch of drill results from the Pierina deposit .
 Pierina, Toronto-based, Barrick, C$, C$
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Pierina, Toronto-based, Barrick, C$, C$