Under a Partnership Agreement Between HarperCollins and Sutter Home Winery

Under a partnership agreement between HarperCollins and Sutter Home Winery, consumers can visit the Sutter Home website monthly to learn which book and which wine are being featured. Each visit to the website qualifies the consumers for the opportunity to take their reading group for a weekend stay at the Sutter Home Victorian Inn and free books from HarperCollins. Since there is no skill involved, how will this prize package be awarded?

A) through a contest
B) through a sweepstakes
C) through a loyalty incentive plan
D) through a, event sponsorship