试问

试 = 式 + 讠 : Sherlock Holmes is doing an eye examination with the goth in the space station's bathroom. Sherlock set up a table with differently sized letters on an advertising column and has the goth read out the letters.

问 = 口 + 门 : Willy Walrus sees a mouthwatering mandarin hanging over a door in the floor of the encampment's bathroom. He asks himself: "is it a trap?"