You will be presented with triplets of objects, which will be assigned to the keys N, F, and W.
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.

N: sidecar, F: cheeseburger, and W: shelf. You press <<F>>.
N: prune, F: knob, and W: can opener. You press <<W>>.
N: bandanna, F: bed, and W: porthole. You press <<W>>.
N: manhole, F: pot, and W: coat rack. You press <<W>>.
N: soccer ball, F: gutter, and W: skewer. You press <<W>>.
N: terrarium, F: jeep, and W: battery. You press <<W>>.
N: landmine, F: machine gun, and W: cardinal. You press <<W>>.
N: rocket, F: wok, and W: petri dish. You press <<N>>.
N: ice pack, F: remote control, and W: poster. You press <<N>>.
N: barrette, F: whiteboard, and W: bumper. You press <<F>>.
N: gramophone, F: phone booth, and W: cheeseburger. You press <<W>>.
N: skull, F: praying mantis, and W: centrifuge. You press <<W>>.
N: avocado, F: muffin, and W: string cheese. You press <<W>>.
N: flute, F: generator, and W: headdress. You press <<F>>.
N: chessboard, F: orangutan, and W: go-kart. You press <<F>>.
N: hoodie, F: bull, and W: yo-yo. You press <<F>>.
N: jumpsuit, F: bug, and W: shower cap. You press <<F>>.
N: tomato, F: yogurt, and W: goldfish. You press <<W>>.
N: punching bag, F: pants, and W: hip. You press <<F>>.
N: string cheese, F: locket, and W: mango. You press <<F>>.