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, which contains a plate, a water glass, a wine glass, and a condiment bottle. 
The bathroom houses a cabinet, which is currently empty. 
The living room is furnished with a sofa and a coffee table. The sofa holds two books and a wine glass, while the coffee table has 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 sixth cabinet from the left contains a water glass, while the first, third, fourth, fifth, seventh, and eighth cabinets are empty. An apple and a wine glass are placed on the kitchen tables. The fridge stores a cupcake, a bottle of wine, and a plate. The second cabinet from the left has a water glass. The dishwasher is empty, and the stove contains two cupcakes. 
Actions taken by Charles: Charles is situated in the living room. He proceeds towards the kitchen and approaches the second kitchen cabinet. After opening and closing it, he heads towards the bedroom and interacts with a cabinet there, opening and closing it as well. Charles then returns to the kitchen, where he sequentially approaches the fourth, eighth, fifth, third, and seventh kitchen cabinets, opening and closing each one in turn. 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 salmon. (b) Charles has been trying to get a cupcake. Please respond with either a or b.