Frank lost a contact lens in his kitchen; he searches for it by examining each linoleum tile in turn to see if the lens is contained within the square. Gemma lost a lens in her kitchen; she looks for it near the base of the fridge and around the stove because these are the two appliances she remembers using when she was last in the kitchen. In this scenario:. A. Frank is using a heuristic and Gemma is using an algorithm.
B. Gemma is using a heuristic and Frank is using an algorithm.
C. both Frank and Gemma are using heuristics.
D. both Frank and Gemma are using algorithms.