Refer to the input text as context and select the correct relationship between 'Escondida mine' and 'Copper' from the available options.
Options: owned by, product/material produced, developer, member of

Copper will fall by 12 per cent to 1.5 million tonnes essentially because the long-dated reconfiguration of BHP's Escondida mine in Chile will not start driving higher grades until FY17.
product/material produced