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

M: paper plate, H: forklift, and I: tray. You press <<H>>.
M: shelf, H: biscuit, and I: mask. You press <<H>>.
M: fungus, H: mashed potato, and I: blimp. You press <<I>>.
M: cheeseburger, H: goggles, and I: bed. You press <<M>>.
M: fuse, H: washing machine, and I: mold. You press <<M>>.
M: jigsaw puzzle, H: sandbag, and I: flour. You press <<M>>.
M: submarine, H: sword, and I: shuffleboard. You press <<H>>.
M: dress, H: bacon, and I: orangutan. You press <<I>>.
M: grits, H: soup, and I: polar bear. You press <<I>>.
M: trough, H: grenade, and I: burrito. You press <<I>>.
M: mannequin, H: pearl, and I: sweeper. You press <<I>>.
M: trolley, H: creme brulee, and I: jeans. You press <<H>>.
M: snowmobile, H: undershirt, and I: kneepad. You press <<M>>.
M: stethoscope, H: mongoose, and I: snowman. You press <<H>>.
M: warthog, H: gopher, and I: fencepost. You press <<I>>.
M: checkbook, H: hoe, and I: steak. You press <<M>>.
M: handbrake, H: wedding cake, and I: scallop. You press <<M>>.
M: trowel, H: string cheese, and I: drill. You press <<H>>.
M: xylophone, H: sofa bed, and I: pipe. You press <<I>>.
M: walker, H: bra, and I: beer. You press <<I>>.