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 water glass placed on the coffee table. 
The kitchen is equipped with four cabinets, a fridge, a kitchen table, a microwave, and a stove. The first kitchen cabinet, from left to right, contains an apple, while the second one is empty. The third cabinet houses a water glass and a plate, and the fourth one is also empty. Inside the fridge, there are two dish bowls and a cupcake. The microwave and the stove each contain a salmon. 
The living room features a cabinet, a sofa, a coffee table, and a desk. The cabinet is filled with four apples, three water glasses, a bottle of wine, and a condiment bottle. 
Lastly, the bathroom has a cabinet, which is currently empty. 
Actions taken by Thomas: Thomas is situated in the bedroom. He proceeds towards the kitchen, advances towards the refrigerator, opens it, and subsequently closes it. He is then poised to open the microwave. 
Question: If Thomas has been trying to get a condiment bottle, which one of the following statements is more likely to be true? (a) Thomas thinks that the condiment bottle is inside the microwave. (b) Thomas thinks that the condiment bottle is not inside the microwave. Please respond with either a or b.