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