What's inside the apartment: The apartment consists of a bedroom, bathroom, living room, and kitchen. 
In the bedroom, there is a sofa, a cabinet, a desk, and a coffee table. A book rests on the sofa. The cabinet contains a remote control, three cupcakes, a wine glass, an apple, and a bag of chips. The coffee table holds two books and a dish bowl. 
The bathroom houses a single cabinet, which is currently empty. 
The living room is furnished with a sofa, a desk, and a coffee table. A dish bowl and a book are placed on the sofa, while a plate sits on the coffee table. 
The kitchen is equipped with a dishwasher, a stove, a kitchen table, eight cabinets, a microwave, and a fridge. Inside the dishwasher, there is a dish bowl. The stove contains a salmon and a plate. The second kitchen cabinet from the left holds an apple, while the fourth and fifth cabinets contain two dish bowls and another apple respectively. The seventh cabinet houses a water glass. The first, third, sixth, and eighth cabinets are empty. The microwave contains a condiment bottle. The fridge stores a dish bowl, a plate, and a bottle of wine. 
Actions taken by Mark: Mark is situated in the bathroom. He proceeds towards the kitchen and advances towards the seventh kitchen cabinet. 
Question: If Mark think there isn't a water glass inside the 7th kitchen cabinet, which one of the following statements is more likely to be true? (a) Mark has been trying to get a water glass. (b) Mark has been trying to get a cupcake. Please respond with either a or b.