Answer:
Inept set
Explanation:
Inept set of products are those products that a consumer will definitely not consider to purchase. Consumers must have had bad experience with the products or companies belonging to this set. This could be a reason for them being averse to purchasing these products.
Here, John had bad experience with Sunshine Cereals which makes him decide not to purchase their products ever. As such Sunshine Cereals corresponds to inept set of alternatives.
