user: At the customs department of an airport, an immigration officer hands a box to an inspector. It is sealed and labeled as "urine samples". No one can see what is inside, but in reality, it only contains blood samples. The inspector has never examined the contents of this box before. The inspector opens the box and looks inside. The inspector reads the label. She opens the box and looks inside. She can clearly see that it is full of

assistant: She can clearly see that it is full of vials filled with a dark red liquid.