What is the relationship between 'Kinross Gold' and 'gold' in the context of the input sentence.
Options: director/manager, location of formation, stock exchange, product/material produced

Among Toronto-based gold miners, Kinross Gold Corp. dropped 5.3 percent at 12:09 p.m., Agnico Eagle Mines Ltd. was down 5.3 percent and Yamana Gold Inc. fell 3.7 percent.
product/material produced