Refer to the input text as context and select the correct relationship between 'Aurizon' and 'coal' from the available options.
Options: product/material produced, location of formation, distribution format, director/manager

Plans to build the rail link that would introduce Galilee Basin coal to the Aurizon network have been shelved and Hockridge does not expected them to be removed from the dust until end the of the decade at the earliest.
product/material produced