What's inside the apartment: The apartment consists of a bedroom, kitchen, living room, and bathroom. 
In the bedroom, there is a cabinet, coffee table, desk, and sofa. The cabinet houses a water glass, a bag of chips, a condiment bottle, and a dish bowl. The coffee table displays a water glass, a wine glass, and a bottle of wine, while a book rests on the sofa. 
The kitchen is equipped with a dishwasher, eight cabinets, a kitchen table, a fridge, a microwave, and a stove. Inside the dishwasher is a water glass. The first kitchen cabinet is empty, but the fridge contains a plate, an apple, and a salmon. The fifth cabinet holds a bag of chips, while a plate is in the microwave. The seventh cabinet contains a plate, and the eighth cabinet stores four dish bowls and a water glass. An apple is in the third cabinet, a cupcake and a salmon are in the stove, a condiment bottle is in the fourth cabinet, and a plate is in the second cabinet. The sixth cabinet is empty. 
The living room features a coffee table, a sofa, and a desk. A bottle of wine sits on the coffee table, and a water glass is on the sofa. 
The bathroom contains a cabinet, which is currently empty. 
Actions taken by Mark: Mark is situated in the bathroom. He proceeds towards the kitchen, approaches the sixth kitchen cabinet, and is on the verge of opening it. 
Question: If Mark has been trying to get a plate, which one of the following statements is more likely to be true? (a) Mark thinks that the plate is not inside the fridge. (b) Mark thinks that the plate is inside the fridge. Please respond with either a or b.