Why is it difficult to determine whether candy is food?

Question $5$Select one:

a$.$

Candy is a borderline member of the category of food

b$.$

Candy is a basic level category and food is a subordinate level category.

c$.$

Candy is not one of the exemplars most people imagine when they think of the category of food.

d$.$

Candy is a subordinate level category and food is a basic level category.