You will be presented with triplets of objects, which will be assigned to the keys C, B, and I.
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: gravel, B: dog, and I: gramophone. You press <<B>>.
C: pulley, B: marble, and I: boar. You press <<I>>.
C: duct tape, B: ivy, and I: buckle. You press <<B>>.
C: kiwi, B: glasses, and I: trolley. You press <<I>>.
C: radio, B: stirrup, and I: dryer. You press <<B>>.
C: goldfish, B: stroller, and I: mud. You press <<I>>.
C: eye, B: poodle, and I: viewfinder. You press <<B>>.
C: sugar cube, B: roadsweeper, and I: airboat. You press <<I>>.
C: grenade, B: clothespin, and I: tostada. You press <<I>>.
C: soda fountain, B: eagle, and I: cactus. You press <<B>>.
C: ruby, B: goat, and I: cloak. You press <<I>>.
C: webcam, B: snowball, and I: ladybug. You press <<B>>.
C: water cooler, B: roulette wheel, and I: credit card. You press <<I>>.
C: power line, B: cat, and I: enchilada. You press <<C>>.
C: armor, B: wolf, and I: knee. You press <<B>>.
C: block, B: lemonade, and I: hippopotamus. You press <<I>>.
C: gravy, B: tostada, and I: gong. You press <<B>>.
C: tray, B: bok choy, and I: doorknocker. You press <<I>>.
C: gravel, B: gramophone, and I: dog. You press <<B>>.
C: steamroller, B: barcode, and I: sunroof. You press <<I>>.