What's inside the apartment: The apartment consists of a bedroom, bathroom, living room, and kitchen. 

In the bedroom, there are two desks and a cabinet. The cabinet contains a plate, a water glass, a wine glass, and a condiment bottle. 

The bathroom features a cabinet, which is currently empty. 

The living room is furnished with a sofa and a coffee table. On the sofa, there are two books and a wine glass. The coffee table holds a bottle of wine, a remote control, and two dish bowls. 

The kitchen is equipped with a microwave, eight cabinets, two tables, a fridge, a dishwasher, and a stove. Inside the microwave, there is a salmon. The first, third, fourth, fifth, seventh, and eighth cabinets, from left to right, are empty. The second cabinet contains a water glass, and the sixth cabinet also contains a water glass. On one of the kitchen tables, there is an apple and a wine glass. The fridge contains a cupcake, a bottle of wine, and a plate. The dishwasher is empty, while the stove contains two cupcakes. 
Actions taken by Charles: Charles is situated in the living room. He proceeds to the kitchen and heads towards the second kitchen cabinet, which he opens and subsequently closes. Charles then makes his way to the bedroom, approaches a cabinet, and opens and closes it. He returns to the kitchen, moving towards the fourth kitchen cabinet, opens and closes it, as well as the stove. Charles then heads towards the eighth kitchen cabinet, opens and closes it, and does the same with the fifth, third, and seventh kitchen cabinets in succession. Finally, he walks towards the microwave. 
Question: Which one of the following statements is more likely to be true? (a) Charles has been trying to get a cupcake. (b) Charles has been trying to get a salmon. Please respond with either a or b.