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

W: poinsettia, U: squirrel, and F: diskette. You press <<F>>.
W: ear, U: step stool, and F: toaster oven. You press <<W>>.
W: calamari, U: skull, and F: dress. You press <<W>>.
W: headscarf, U: hanger, and F: thumbtack. You press <<U>>.
W: record, U: meerkat, and F: octopus. You press <<W>>.
W: bow, U: cheetah, and F: purse. You press <<U>>.
W: alligator, U: loveseat, and F: emerald. You press <<W>>.
W: gumdrop, U: trident, and F: engine. You press <<W>>.
W: riser, U: ice cube, and F: brick. You press <<W>>.
W: steak, U: ambulance, and F: rust. You press <<U>>.
W: skull, U: violin, and F: brick. You press <<W>>.
W: lego, U: catfish, and F: salami. You press <<U>>.
W: cake, U: power line, and F: dishrag. You press <<U>>.
W: cornmeal, U: stained glass, and F: green beans. You press <<U>>.
W: chair, U: scooter, and F: cardinal. You press <<F>>.
W: pencil sharpener, U: chimney, and F: record. You press <<U>>.
W: binoculars, U: calzone, and F: soccer ball. You press <<U>>.
W: tick, U: swimming pool, and F: granite. You press <<F>>.
W: swan, U: pom-pom, and F: windshield wiper. You press <<U>>.
W: potholder, U: papaya, and F: megaphone. You press <<U>>.