What's inside the apartment: The apartment consists of a bedroom, bathroom, living room, and kitchen. 

In the bedroom, there is a cabinet and a sofa. The cabinet houses two wine glasses, a bottle of wine, a remote control, and a bag of chips. The sofa holds two water glasses, a book, and a wine glass. 

The bathroom features a cabinet, which is currently empty. 

The living room is furnished with a sofa and a desk, with a book resting on the sofa. 

The kitchen is equipped with eight cabinets, a microwave, a dishwasher, a stove, a sofa, a kitchen table, and a fridge. The first, second, third, fourth, fifth, sixth, and eighth cabinets, from left to right, are empty. The seventh cabinet contains a dish bowl. The microwave is filled with two cupcakes, a condiment bottle, and a salmon. The dishwasher contains a water glass and a wine glass, while the stove houses a salmon. The sofa has a dish bowl and a book on it. The fridge contains an apple. 
Actions taken by Thomas: Thomas is in the bathroom. He then proceeds to the kitchen, approaches the fifth cabinet, opens it, and subsequently closes it. Following this, he walks towards the third cabinet, opens it, and then closes it. Finally, he walks towards the fridge. 
Question: If Thomas think there isn't an apple inside the fridge, which one of the following statements is more likely to be true? (a) Thomas has been trying to get a water glass. (b) Thomas has been trying to get an apple. Please respond with either a or b.