You will be presented with triplets of objects, which will be assigned to the keys F, X, and Q.
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: computer screen, X: flypaper, and Q: eye. You press <<X>>.
F: sword, X: bongo, and Q: omelet. You press <<Q>>.
F: scarecrow, X: trapdoor, and Q: radio. You press <<X>>.
F: boat, X: candle, and Q: rhubarb. You press <<X>>.
F: tent, X: pulley, and Q: hairspray. You press <<Q>>.
F: birdhouse, X: shark, and Q: gramophone. You press <<Q>>.
F: pocket watch, X: air mattress, and Q: otter. You press <<F>>.
F: telegraph, X: sweeper, and Q: stuffing. You press <<Q>>.
F: air mattress, X: lock, and Q: pine tree. You press <<X>>.
F: window, X: crouton, and Q: bubble. You press <<F>>.
F: cashew, X: pearl, and Q: kiwi. You press <<X>>.
F: laundry basket, X: modem, and Q: satellite dish. You press <<F>>.
F: cheesecake, X: bin, and Q: air conditioner. You press <<F>>.
F: jet, X: dishrag, and Q: exerciser. You press <<X>>.
F: sandal, X: ball, and Q: spout. You press <<F>>.
F: bazooka, X: pocket watch, and Q: face mask. You press <<X>>.
F: block, X: lasagna, and Q: screen. You press <<X>>.
F: bat, X: windsock, and Q: missile. You press <<Q>>.
F: parking meter, X: candle, and Q: plug. You press <<F>>.
F: tent, X: brass knuckles, and Q: woman. You press <<X>>.