What's inside the apartment: The apartment consists of a bedroom, kitchen, living room, and bathroom. 
In the bedroom, there is a coffee table and a desk, with a wine glass placed on the coffee table. The kitchen is equipped with four cabinets, a fridge, a kitchen table, a microwave, and a stove. The third cabinet, from left to right, is empty. Inside the fridge, there is a cupcake and an apple. The second cabinet houses two plates, two dish bowls, and a water glass. The first cabinet contains a bag of chips and a water glass. A condiment bottle is found in the microwave, while the stove holds three cupcakes and a salmon. The fourth cabinet stores an apple. 
The living room features a cabinet, a sofa, a coffee table, and a desk. The cabinet holds an apple, two books, a water glass, a bag of chips, a bottle of wine, and a condiment bottle. A wine glass is set on the coffee table. 
The bathroom is furnished with a cabinet, which is currently empty. 
Actions taken by Mark: Mark is situated in the bathroom. He proceeds towards the kitchen, advances towards the refrigerator, opens it, and subsequently closes it. 
Question: If Mark has been trying to get a condiment bottle, which one of the following statements is more likely to be true? (a) Mark thinks that the condiment bottle is not inside the microwave. (b) Mark thinks that the condiment bottle is inside the microwave. Please respond with either a or b.