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

C: rudder, U: briefcase, and E: chute. You press <<E>>.
C: walnut, U: fountain pen, and E: teddy bear. You press <<U>>.
C: jet, U: chips, and E: chainsaw. You press <<C>>.
C: corkboard, U: stethoscope, and E: uniform. You press <<E>>.
C: paintbrush, U: blower, and E: blimp. You press <<C>>.
C: ratchet, U: watermelon, and E: mosquito net. You press <<U>>.
C: punch, U: trashcan, and E: zipper. You press <<U>>.
C: bunkbed, U: credit card, and E: undershirt. You press <<U>>.
C: stake, U: flask, and E: microwave. You press <<E>>.
C: apron, U: pita, and E: cannon. You press <<E>>.
C: plunger, U: manhole, and E: roller coaster. You press <<E>>.
C: parfait, U: woman, and E: candelabra. You press <<U>>.
C: camera lens, U: phone, and E: column. You press <<C>>.
C: headphones, U: airbag, and E: closet. You press <<U>>.
C: goalpost, U: lock, and E: railing. You press <<C>>.
C: hedge, U: pin, and E: finger. You press <<C>>.
C: lion, U: traffic light, and E: chess piece. You press <<C>>.
C: boot, U: beaver, and E: recorder. You press <<U>>.
C: dartboard, U: amplifier, and E: log. You press <<E>>.
C: grass, U: insole, and E: bubble. You press <<E>>.