You will be presented with triplets of objects, which will be assigned to the keys C, B, and F.
In each trial, please indicate which object you think is the odd one out by pressing the corresponding key.
In other words, please choose the object that is the least similar to the other two.

C: rain gauge, B: brass knuckles, and F: paper plate. You press <<B>>.
C: mussel, B: trombone, and F: shelf. You press <<B>>.
C: beetle, B: tab, and F: ashtray. You press <<B>>.
C: windshield, B: trough, and F: fig. You press <<C>>.
C: board, B: flute, and F: chalkboard. You press <<B>>.
C: javelin, B: corsage, and F: hard disk. You press <<B>>.
C: baseball, B: dashboard, and F: retainer. You press <<B>>.
C: chive, B: manhole, and F: shield. You press <<C>>.
C: goblet, B: credit card, and F: skin. You press <<C>>.
C: vegetable, B: skateboard, and F: piggy bank. You press <<B>>.
C: sofa bed, B: jewel, and F: router. You press <<B>>.
C: blowtorch, B: hanger, and F: spatula. You press <<C>>.
C: helmet, B: mattress, and F: fence. You press <<C>>.
C: raspberry, B: stalagmite, and F: rake. You press <<F>>.
C: playing card, B: cannon, and F: space shuttle. You press <<C>>.
C: soy sauce, B: quesadilla, and F: strap. You press <<F>>.
C: beetle, B: tab, and F: ashtray. You press <<C>>.
C: bucket, B: hockey stick, and F: shark. You press <<C>>.
C: ring, B: breadbox, and F: skewer. You press <<C>>.
C: lunchbox, B: tank, and F: rope. You press <<C>>.