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

U: uniform, X: grinder, and J: easel. You press <<J>>.
U: marker, X: bucket, and J: tambourine. You press <<J>>.
U: pea, X: mop, and J: webcam. You press <<J>>.
U: railing, X: sonogram, and J: kettle. You press <<X>>.
U: tablet, X: whoopee cushion, and J: siren. You press <<X>>.
U: barnacle, X: stroller, and J: ham. You press <<X>>.
U: coil, X: turbine, and J: space shuttle. You press <<U>>.
U: canvas, X: parfait, and J: corsage. You press <<U>>.
U: stretcher, X: horseshoe, and J: coffee bean. You press <<U>>.
U: cap, X: pencil, and J: cleat. You press <<J>>.
U: dial, X: tackle, and J: chaps. You press <<U>>.
U: string cheese, X: dish, and J: wheat. You press <<J>>.
U: tack, X: printer, and J: detonator. You press <<U>>.
U: combination lock, X: wafer, and J: ram. You press <<U>>.
U: mashed potato, X: totem pole, and J: mint. You press <<X>>.
U: swan, X: coaster, and J: mirror. You press <<U>>.
U: thorn, X: lamb chop, and J: mat. You press <<J>>.
U: ratchet, X: wine bottle, and J: cable. You press <<X>>.
U: burner, X: jeans, and J: footrest. You press <<U>>.
U: stapler, X: cashew, and J: toe. You press <<U>>.