You will be presented with triplets of objects, which will be assigned to the keys S, Q, and R.
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.

S: burrito, Q: bird, and R: eggnog. You press <<Q>>.
S: missile, Q: boxer shorts, and R: firecracker. You press <<Q>>.
S: fire hydrant, Q: train car, and R: boxer shorts. You press <<R>>.
S: berry, Q: wedge, and R: tablet. You press <<S>>.
S: shield, Q: octopus, and R: boulder. You press <<S>>.
S: abacus, Q: lollipop, and R: tricycle. You press <<R>>.
S: poppy, Q: hubcap, and R: memory stick. You press <<R>>.
S: knot, Q: breathalyzer, and R: overalls. You press <<Q>>.
S: desk, Q: megaphone, and R: raft. You press <<S>>.
S: cream cheese, Q: fish, and R: bell. You press <<Q>>.
S: shredder, Q: flag, and R: holster. You press <<Q>>.
S: cockroach, Q: shower cap, and R: cloak. You press <<R>>.
S: pogo stick, Q: whipped cream, and R: gopher. You press <<Q>>.
S: water filter, Q: backgammon, and R: silverware. You press <<Q>>.
S: remote control, Q: orange rind, and R: beachball. You press <<S>>.
S: hair, Q: omelet, and R: velcro. You press <<Q>>.
S: pole, Q: whiteboard, and R: eggnog. You press <<R>>.
S: scissors, Q: rattle, and R: duffel bag. You press <<S>>.
S: mongoose, Q: hearse, and R: music box. You press <<S>>.
S: ice cube, Q: guinea pig, and R: biscuit. You press <<Q>>.