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

I: sorbet, E: stool, and U: pecan. You press <<E>>.
I: seaplane, E: pencil, and U: tube top. You press <<I>>.
I: map, E: binoculars, and U: hot-water bottle. You press <<I>>.
I: teddy bear, E: doily, and U: stool. You press <<U>>.
I: gum, E: buoy, and U: steering wheel. You press <<I>>.
I: windshield wiper, E: electric chair, and U: license plate. You press <<E>>.
I: eraser, E: chive, and U: lock. You press <<E>>.
I: oilcan, E: saddle, and U: wig. You press <<I>>.
I: walnut, E: springboard, and U: eyepiece. You press <<I>>.
I: hamburger, E: water fountain, and U: candy bar. You press <<E>>.
I: gong, E: wedge, and U: ambulance. You press <<E>>.
I: xylophone, E: gravel, and U: odometer. You press <<E>>.
I: scarecrow, E: ring, and U: pepperoni. You press <<U>>.
I: vending machine, E: scrabble, and U: corkscrew. You press <<E>>.
I: iceskate, E: mirror, and U: aardvark. You press <<U>>.
I: hinge, E: milk, and U: metronome. You press <<E>>.
I: cake mix, E: cabbage, and U: basketball hoop. You press <<U>>.
I: microscope, E: bowling ball, and U: cream cheese. You press <<U>>.
I: cigarette, E: guillotine, and U: scooter. You press <<I>>.
I: ostrich, E: barcode, and U: snowshoe. You press <<E>>.