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

P: hail, N: alpaca, and Z: centerpiece. You press <<Z>>.
P: switch, N: headdress, and Z: keyboard. You press <<N>>.
P: porthole, N: cart, and Z: mirror. You press <<N>>.
P: triangle, N: slide, and Z: train. You press <<P>>.
P: toothpick, N: keyhole, and Z: tick. You press <<Z>>.
P: warthog, N: crystal ball, and Z: origami. You press <<N>>.
P: washing machine, N: cabbage, and Z: cocoon. You press <<P>>.
P: laser pointer, N: cardinal, and Z: comb. You press <<P>>.
P: veil, N: shower cap, and Z: snowman. You press <<Z>>.
P: necklace, N: bowler hat, and Z: keg. You press <<Z>>.
P: shawl, N: hairdryer, and Z: mat. You press <<N>>.
P: sarcophagus, N: laptop, and Z: log. You press <<Z>>.
P: shrimp, N: coat rack, and Z: scooter. You press <<P>>.
P: gauge, N: bus, and Z: computer. You press <<N>>.
P: firecracker, N: bedpost, and Z: dog. You press <<Z>>.
P: fishbowl, N: backscratcher, and Z: bassoon. You press <<P>>.
P: rearview mirror, N: dustpan, and Z: pants. You press <<N>>.
P: fondue, N: belt buckle, and Z: cloak. You press <<P>>.
P: navel, N: cauliflower, and Z: marker. You press <<Z>>.
P: printer, N: cutting board, and Z: garter. You press <<Z>>.