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

W: ice pack, Z: saffron, and K: antenna. You press <<K>>.
W: paper, Z: streetlight, and K: clay. You press <<Z>>.
W: toilet paper, Z: calf, and K: skewer. You press <<Z>>.
W: dumpling, Z: leopard, and K: casserole. You press <<Z>>.
W: vending machine, Z: rust, and K: headband. You press <<K>>.
W: bikini, Z: duffel bag, and K: donut. You press <<Z>>.
W: thermos, Z: brace, and K: stove. You press <<Z>>.
W: table, Z: eel, and K: blowtorch. You press <<K>>.
W: easter egg, Z: cornucopia, and K: record player. You press <<K>>.
W: coin, Z: compass, and K: squid. You press <<K>>.
W: cash register, Z: iron, and K: hearse. You press <<K>>.
W: parrot, Z: lime, and K: clover. You press <<W>>.
W: coffin, Z: goalpost, and K: jumpsuit. You press <<W>>.
W: goose, Z: tractor, and K: windsock. You press <<Z>>.
W: gun, Z: rust, and K: spoon. You press <<W>>.
W: poster, Z: videocassette, and K: thumb. You press <<K>>.
W: maggot, Z: cash machine, and K: stained glass. You press <<W>>.
W: bean, Z: anvil, and K: contact lens. You press <<Z>>.
W: lion, Z: bomb, and K: t-shirt. You press <<Z>>.
W: panda, Z: pencil, and K: sofa bed. You press <<W>>.