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

M: teepee, Z: espresso, and S: wheel. You press <<Z>>.
M: hookah, Z: tree trunk, and S: chinaware. You press <<Z>>.
M: peppermint, Z: helmet, and S: coffee bean. You press <<Z>>.
M: barcode, Z: van, and S: coin. You press <<M>>.
M: fuse, Z: chariot, and S: espresso. You press <<S>>.
M: top hat, Z: plate, and S: lamb. You press <<S>>.
M: wire cutters, Z: leg, and S: mannequin. You press <<M>>.
M: sprouts, Z: drain, and S: shuffleboard. You press <<M>>.
M: ginger, Z: gift, and S: beehive. You press <<Z>>.
M: chickpea, Z: stomach, and S: cheetah. You press <<M>>.
M: snack, Z: map, and S: credit card. You press <<M>>.
M: swizzle stick, Z: face mask, and S: plate. You press <<Z>>.
M: barbed wire, Z: ottoman, and S: silicone. You press <<M>>.
M: funnel, Z: zebra, and S: turntable. You press <<Z>>.
M: telegraph, Z: mole, and S: shoe. You press <<Z>>.
M: paperweight, Z: yo-yo, and S: waffle iron. You press <<Z>>.
M: cash machine, Z: blowfish, and S: toy. You press <<M>>.
M: thermos, Z: piecrust, and S: music box. You press <<S>>.
M: nest, Z: spring roll, and S: mistletoe. You press <<M>>.
M: papaya, Z: pancake, and S: wineglass. You press <<S>>.