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 dish bowl and 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 a piece of salmon. The second cabinet houses a dish bowl, while the first cabinet contains an apple. The microwave is storing two condiment bottles and a cupcake, and the stove has a plate and a piece of salmon inside. The fourth cabinet holds a dish bowl. 
The living room features a cabinet, a sofa, a coffee table, and a desk. The cabinet is filled with a dish bowl, a cupcake, and a bag of chips, and there is a bottle of wine on the coffee table. 
Lastly, the bathroom has a cabinet, which is currently empty. 
Actions taken by Robert: Robert is situated in the bedroom. He proceeds to the kitchen, strides towards the stove, opens it, subsequently closes it, then ambles towards the living room and finally approaches the remote control. 
Question: If Robert has been trying to get a condiment bottle, which one of the following statements is more likely to be true? (a) Robert thinks that the condiment bottle is inside the microwave. (b) Robert thinks that the condiment bottle is not inside the microwave. Please respond with either a or b.