Take context from the input text and decide on the accurate relationship between 'Aurizon' and 'coal' from the options provided.
Options: product/material produced, director/manager, distribution format, location of formation

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