Barrick will deliver silver to RGLD Gold in amounts equal to 75% of Barrick’s interest in the silver produced at the Pueblo Viejo mine beginning on January 1, 2016 until 50.00 million ounces of silver have been delivered, and 37.50% of Barrick’s interest in silver produced thereafter.
What is the relationship between 'Pueblo Viejo mine' and 'Gold' in the context of the input sentence.
Options: product/material produced, chief executive officer, owned by, director/manager