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

C: ballot box, I: glue, and Z: lock. You press <<C>>.
C: razor, I: sequin, and Z: pinecone. You press <<Z>>.
C: beanie, I: tackle, and Z: chime. You press <<C>>.
C: painting, I: coaster, and Z: speaker. You press <<C>>.
C: boxing gloves, I: jam, and Z: coral. You press <<I>>.
C: taxi, I: ham, and Z: accordion. You press <<I>>.
C: railing, I: quad, and Z: spring roll. You press <<Z>>.
C: pickle, I: dandelion, and Z: hockey stick. You press <<Z>>.
C: doorknob, I: cake, and Z: crepe. You press <<C>>.
C: snow, I: worm, and Z: cream. You press <<Z>>.
C: gear, I: traffic light, and Z: stove. You press <<Z>>.
C: phone, I: chickpea, and Z: christmas card. You press <<I>>.
C: calamari, I: kazoo, and Z: fork. You press <<I>>.
C: corkscrew, I: bug, and Z: eggplant. You press <<I>>.
C: leg, I: grille, and Z: hookah. You press <<I>>.
C: gravestone, I: touchpad, and Z: lamb. You press <<I>>.
C: windowsill, I: radar, and Z: skin. You press <<C>>.
C: blowgun, I: flyswatter, and Z: wetsuit. You press <<C>>.
C: mouse, I: saltshaker, and Z: credit card. You press <<I>>.
C: snowball, I: siren, and Z: teabag. You press <<I>>.