Ques: Here's a short story: A dirty toilet is not at smooth as a clean toilet. This means a plunger can manipulate the water inside of a _____ quicker (A) dirty toilet (B) clean toilet.  What is the most sensical answer between "dirty toilet" and  "clean toilet"?
Ans: clean toilet

Ques: Here's a short story: Bernie is pitching marbles. He notices that when he pitches the marbles on the tile in his kitchen, the marble goes faster and farther away than when he does the same action on grass. Which surface is applying less friction to the marble? (A) grass (B) tile?.  What is the most sensical answer between "tile" and  "grass"?
Ans: grass

Ques: Here's a short story: A computer mouse moves with ease on a smooth plastic mouse pad, whereas, on the flat wooden desk at times it sticks and does not work. Which surface has more friction? (A) wooden desk (B) plastic mouse pad.  What is the most sensical answer between "wooden desk" and  "plastic mouse pad"?
Ans: wooden desk

Ques: Here's a short story: Jim bowled the ball down the lane instead of the floor, because the Lane is (A) more smooth (B) less smooth.  What is the most sensical answer between "bowling lane" and  "bowling floor"?
Ans:
bowling lane