You will be presented with triplets of objects, which will be assigned to the keys X, I, and B.
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: dartboard, I: hedgehog, and B: weed. You press <<X>>.
X: weed, I: shelf, and B: altar. You press <<X>>.
X: dresser, I: bun, and B: column. You press <<I>>.
X: gong, I: snowboard, and B: calf. You press <<X>>.
X: thermos, I: melon, and B: rack. You press <<B>>.
X: checkers, I: electric chair, and B: wind chimes. You press <<I>>.
X: potato, I: tee, and B: stiletto. You press <<X>>.
X: button, I: tray, and B: muffin. You press <<X>>.
X: necklace, I: garter, and B: parking meter. You press <<B>>.
X: steering wheel, I: panther, and B: nut. You press <<I>>.
X: fingerprint, I: pine tree, and B: leek. You press <<X>>.
X: garbage, I: notebook, and B: globe. You press <<X>>.
X: handprint, I: wreck, and B: eraser. You press <<I>>.
X: telescope, I: flask, and B: cream cheese. You press <<X>>.
X: icicle, I: tadpole, and B: smoothie. You press <<I>>.
X: onion, I: christmas card, and B: hedge. You press <<X>>.
X: roof rack, I: swimming pool, and B: barrel. You press <<X>>.
X: syrup, I: book, and B: keyhole. You press <<X>>.
X: holster, I: cash register, and B: ashtray. You press <<B>>.
X: grasshopper, I: kayak, and B: modem. You press <<B>>.