Dessert Palaeice specializes in creating and selling unique bakes and ice creams. It introduces a specialty ice cream, served with a salty sauce instead of its usual array of sweet sauces. Dessert Palaeice's customers, though initially apprehensive, welcome the change in taste. Which of the following reactions is most likely responsible for the customers' cognitive categorization of the new product?
a. assimilation
b. apprehension
c. accommodation
d. contrast