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

Z: paint, C: saxophone, and A: lab coat. You press <<A>>.
Z: terrarium, C: cellphone, and A: teddy bear. You press <<C>>.
Z: footprint, C: stilt, and A: poinsettia. You press <<A>>.
Z: bassinet, C: moose, and A: pretzel. You press <<Z>>.
Z: washboard, C: cardinal, and A: rocking horse. You press <<Z>>.
Z: toothpick, C: fishhook, and A: grate. You press <<A>>.
Z: ski boots, C: corsage, and A: speedboat. You press <<C>>.
Z: potholder, C: trapdoor, and A: toothpick. You press <<Z>>.
Z: earwig, C: tractor, and A: paintbrush. You press <<C>>.
Z: corsage, C: cummerbund, and A: grape. You press <<A>>.
Z: engine, C: aircraft carrier, and A: face. You press <<A>>.
Z: manatee, C: scissors, and A: chandelier. You press <<Z>>.
Z: beer, C: cardinal, and A: checkbook. You press <<A>>.
Z: baseball, C: eggnog, and A: latte. You press <<Z>>.
Z: pajamas, C: ram, and A: spam. You press <<Z>>.
Z: cash register, C: fox, and A: knee. You press <<Z>>.
Z: pearl, C: rocking chair, and A: t-shirt. You press <<A>>.
Z: dynamite, C: knob, and A: robe. You press <<A>>.
Z: satellite, C: nutcracker, and A: sugar cube. You press <<A>>.
Z: popcorn, C: missile, and A: turbine. You press <<Z>>.