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

F: turkey, O: apple tree, and U: cash machine. You press <<U>>.
F: walker, O: counter, and U: gyroscope. You press <<O>>.
F: pocket watch, O: bucket, and U: papaya. You press <<U>>.
F: watermelon, O: car seat, and U: sledgehammer. You press <<F>>.
F: easel, O: blackberry, and U: drill. You press <<U>>.
F: ping-pong table, O: acorn, and U: flag. You press <<O>>.
F: money, O: board game, and U: deer. You press <<U>>.
F: walker, O: hammock, and U: spider web. You press <<U>>.
F: hydrant, O: bison, and U: dumpster. You press <<O>>.
F: vacuum, O: detonator, and U: pineapple. You press <<U>>.
F: riser, O: butter, and U: hubcap. You press <<O>>.
F: wall, O: marker, and U: shopping cart. You press <<O>>.
F: firecracker, O: bedpost, and U: dog. You press <<U>>.
F: whipped cream, O: shovel, and U: toilet. You press <<U>>.
F: sugar cube, O: chalk, and U: hinge. You press <<U>>.
F: windshield, O: cake, and U: vulture. You press <<O>>.
F: purse, O: helmet, and U: incense. You press <<O>>.
F: pine tree, O: baseball bat, and U: lizard. You press <<U>>.
F: jar, O: exhaust pipe, and U: fudge. You press <<O>>.
F: toolbox, O: hatchet, and U: nose. You press <<U>>.