Take context from the input text and decide on the accurate relationship between 'Wynn Resorts' and 'casino' from the options provided.
Options: product/material produced, operator, subsidiary, stock exchange

BOSTON (AP) -- Wynn Resorts won a key state approval for its Boston-area casino late Friday, bringing the $1.7 billion project billed as the state's largest single private development another step closer to finally breaking ground.
product/material produced