You will be presented with triplets of objects, which will be assigned to the keys X, Q, 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: button, Q: creme brulee, and E: valve. You press <<Q>>.
X: cornhusk, Q: trolley, and E: pastry. You press <<Q>>.
X: baton, Q: metronome, and E: sand. You press <<E>>.
X: floss, Q: knob, and E: grenade. You press <<E>>.
X: granite, Q: ice-cream cone, and E: outfit. You press <<E>>.
X: trapdoor, Q: blowtorch, and E: artichoke. You press <<E>>.
X: cilantro, Q: vase, and E: sleeping bag. You press <<Q>>.
X: toy, Q: flag, and E: lamb. You press <<Q>>.
X: railing, Q: bamboo, and E: butterfly. You press <<X>>.
X: magnifier, Q: match, and E: wine. You press <<E>>.
X: tree, Q: plastic film, and E: aluminum foil. You press <<X>>.
X: backscratcher, Q: tennis ball, and E: washboard. You press <<Q>>.
X: rearview mirror, Q: meat grinder, and E: binoculars. You press <<Q>>.
X: stair, Q: gel, and E: pear. You press <<E>>.
X: diamond, Q: clipper, and E: puppet. You press <<E>>.
X: chime, Q: kangaroo, and E: headband. You press <<Q>>.
X: rifle, Q: ice-cream cone, and E: swimming pool. You press <<Q>>.
X: wire cutters, Q: hourglass, and E: doghouse. You press <<E>>.
X: pearl, Q: violin, and E: backscratcher. You press <<X>>.
X: macaroni, Q: wheat, and E: beachball. You press <<E>>.