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

Z: notebook, R: bottle opener, and G: crumb. You press <<G>>.
Z: aquarium, R: lettuce, and G: leek. You press <<Z>>.
Z: lantern, R: trough, and G: taillight. You press <<G>>.
Z: hot chocolate, R: peppermint, and G: waffle iron. You press <<G>>.
Z: ping-pong table, R: girl, and G: yacht. You press <<R>>.
Z: laptop, R: quiche, and G: remote control. You press <<R>>.
Z: pencil sharpener, R: aircraft carrier, and G: rifle. You press <<R>>.
Z: chips, R: clothesline, and G: pinecone. You press <<R>>.
Z: scissors, R: wooden leg, and G: alligator. You press <<G>>.
Z: nail polish, R: sunroof, and G: snowshoe. You press <<Z>>.
Z: boa, R: bat, and G: radish. You press <<G>>.
Z: tree trunk, R: calculator, and G: chain. You press <<R>>.
Z: clove, R: coffin, and G: juicer. You press <<G>>.
Z: oil, R: bank, and G: taillight. You press <<G>>.
Z: roadsweeper, R: rhubarb, and G: pipe. You press <<Z>>.
Z: cup, R: power line, and G: ant. You press <<G>>.
Z: doorhandle, R: metronome, and G: headscarf. You press <<G>>.
Z: corsage, R: rollerblade, and G: crayfish. You press <<R>>.
Z: mold, R: mat, and G: pickax. You press <<R>>.
Z: kneepad, R: bumper, and G: brush. You press <<G>>.