Here's a short story: A truck driving over a flat stretch of road will make _____ than the truck driving over mounds of sand. (A) more heat (B) less heat.  What is the most sensical answer between "road" and  "sand"?
sand

Here's a short story: Dennis is rolling two marbles down the sidewalk. He rolls them both at the same time, in the same way. The blue marble goes a longer distance down the sidewalk than the green one does. The faster marble is (A) green (B) blue.  What is the most sensical answer between "blue marble" and  "green marble"?
green marble

Here's a short story: A tree trunk is thicker then a tree leaf. Which part of the tree is the stronger one? (A) leaf (B) trunk.  What is the most sensical answer between "trunk" and  "leaf"?
leaf