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

In the bedroom, there are two desks and a cabinet. The cabinet houses 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 sixth cabinet from the left contains a water glass, while the first, third, fourth, fifth, seventh, and eighth cabinets are empty. On one of the kitchen tables, there is an apple and a wine glass. The fridge is stocked with 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 to the kitchen, advances towards the second kitchen cabinet, opens it, and subsequently closes it. Following this, Charles moves towards the bedroom, approaches a cabinet, opens it, and then shuts it. He then returns to the kitchen and heads towards the fourth kitchen cabinet. 
Question: Which one of the following statements is more likely to be true? (a) Charles has been trying to get a bottle of wine. (b) Charles has been trying to get a cupcake. Please respond with either a or b.