You will be presented with triplets of objects, which will be assigned to the keys Z, O, and X.
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: cracker, O: macaroni, and X: showerhead. You press <<X>>.
Z: cart, O: turntable, and X: skirt. You press <<Z>>.
Z: router, O: doorbell, and X: bikini. You press <<X>>.
Z: pug, O: girl, and X: mouse. You press <<O>>.
Z: dessert, O: tie, and X: walker. You press <<X>>.
Z: makeup, O: lamp, and X: helmet. You press <<X>>.
Z: lizard, O: food processor, and X: coat rack. You press <<Z>>.
Z: kneepad, O: school bus, and X: bracelet. You press <<O>>.
Z: shrimp, O: wind chimes, and X: fishing pole. You press <<O>>.
Z: test tube, O: tricycle, and X: boxer shorts. You press <<Z>>.
Z: kaleidoscope, O: ski boots, and X: boar. You press <<X>>.
Z: top hat, O: seal, and X: stuffing. You press <<O>>.
Z: shield, O: drain, and X: soda. You press <<Z>>.
Z: rock, O: clock, and X: fire alarm. You press <<Z>>.
Z: air conditioner, O: inhaler, and X: dumbwaiter. You press <<O>>.
Z: meatloaf, O: reel, and X: staple. You press <<Z>>.
Z: brake, O: spider, and X: boomerang. You press <<O>>.
Z: coffee bean, O: petri dish, and X: puffin. You press <<X>>.
Z: coal, O: pin, and X: sugar cube. You press <<O>>.
Z: ambulance, O: panties, and X: flagpole. You press <<O>>.