You will be presented with triplets of objects, which will be assigned to the keys X, B, and E.
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.

X: bookmark, B: metronome, and E: mussel. You press <<E>>.
X: octopus, B: okra, and E: candlestick. You press <<E>>.
X: taxi, B: marmalade, and E: meat grinder. You press <<X>>.
X: orange rind, B: microwave, and E: meatball. You press <<X>>.
X: horn, B: splinter, and E: toothpaste. You press <<X>>.
X: screen, B: ice-cream cone, and E: cashew. You press <<X>>.
X: breakfast, B: aquarium, and E: doghouse. You press <<X>>.
X: iron, B: cape, and E: marker. You press <<X>>.
X: cake mix, B: pickle, and E: bonsai. You press <<E>>.
X: piano, B: elbow, and E: gate. You press <<E>>.
X: bear, B: pretzel, and E: mat. You press <<E>>.
X: soldering iron, B: cord, and E: punch. You press <<E>>.
X: boar, B: rocket, and E: pants. You press <<X>>.
X: tomato sauce, B: frog, and E: swordfish. You press <<X>>.
X: towel rack, B: map, and E: donkey. You press <<X>>.
X: coverall, B: mousse, and E: fuse. You press <<X>>.
X: diving board, B: puffin, and E: moth. You press <<X>>.
X: weather vane, B: tambourine, and E: desk. You press <<E>>.
X: aquarium, B: record player, and E: cummerbund. You press <<X>>.
X: octopus, B: okra, and E: candlestick. You press <<E>>.