Debt held by 15 of the biggest producers including Barrick Gold Corp. and Goldcorp Inc. hit a record $31.5 billion at the end of the first quarter, up from less than $2 billion in 2005, according to data compiled by Bloomberg Intelligence.
In the context of the input sentence, determine the relationship between 'Goldcorp' and 'Gold'.
Options: product/material produced, stock exchange, legal form, developer