Here's a short story: Mary learned from sliding her doll across various surfaces that a wood floor is smoother then a rug. This means that her doll slides slower over the (A) rug (B) wood floor. What is the most sensical answer between "wood floor" and "rug"?
wood floor

Here's a short story: A car drives down a dirt road and can go quickly, but can only go slowly on a gravel road. The car moves faster on the dirt road because it has (A) more resistance (B) less resistance.. What is the most sensical answer between "dirt road" and "gravel road"?
gravel road

Here's a short story: Bill is hammering sheets of metal and tries to hammer a block of metal but cannot because it is (A) wider (B) skinnier. What is the most sensical answer between "block of metal" and "sheet of metal"?
block of metal