Here's a short story: A possum can run very quickly along the forest floor, but not so fast along the tree tops. Which surface puts less resistance on the possum's paws? (A) tree top (B) forest floor.  What is the most sensical answer between "tree top" and  "forest floor"?
forest floor

Here's a short story: The pharaoh lounged lazily on his spacious throne while a slave girl walked back and forth to the table to bring him grapes.  Who will sweat less? (A) the pharaoh (B) the slave girl.  What is the most sensical answer between "pharaoh" and  "slave"?
pharaoh

Here's a short story: A glass mirror is smoother than a stone slab. This means that running a razor blade over the _____ will create more heat (A) glass mirror or the (B) stone slab.  What is the most sensical answer between "glass mirror" and  "stone slab"?
stone slab