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

H: basketball hoop, C: sifter, and I: chicken. You press <<I>>.
H: scallion, C: riser, and I: grits. You press <<C>>.
H: airbag, C: urinal, and I: coat rack. You press <<I>>.
H: red carpet, C: swab, and I: zebra. You press <<I>>.
H: fossil, C: videogame, and I: diamond. You press <<C>>.
H: sheath, C: nut, and I: bamboo. You press <<H>>.
H: raincoat, C: pipe, and I: trolley. You press <<I>>.
H: scarf, C: timer, and I: snorkel. You press <<H>>.
H: guardrail, C: hockey stick, and I: spatula. You press <<H>>.
H: wagon, C: tape recorder, and I: seafood. You press <<I>>.
H: go-kart, C: nutcracker, and I: container. You press <<C>>.
H: lightbulb, C: cocoon, and I: mixer. You press <<C>>.
H: bell, C: penlight, and I: grass. You press <<I>>.
H: gasket, C: deodorant, and I: light switch. You press <<H>>.
H: van, C: cauliflower, and I: orange rind. You press <<H>>.
H: gravel, C: straw, and I: couch. You press <<H>>.
H: chandelier, C: sundial, and I: bell. You press <<H>>.
H: mop, C: bow, and I: bagpipe. You press <<C>>.
H: key, C: ferret, and I: blimp. You press <<C>>.
H: ticktacktoe, C: bandanna, and I: incense. You press <<H>>.