Take context from the input text and decide on the accurate relationship between 'Whopper' and 'Burger King' from the options provided.
Options: creator, location of formation, product/material produced, manufacturer

And Burger King just in the last couple of weeks transitioned from a 2 for $6 to the 2 for $5 with the Whopper and the OCS being the primary drivers, and we're seeing significant response to that.
manufacturer