Here's a short story: Both Mary and Jimbo were out working in a field digging a hole. Mary was working very hard, while Jimbo was just standing around leaning on his shovel. Which person was producing more sweat? (A) Mary (B) Jimbo.  What is the most sensical answer between "Mary" and  "Jimbo"?
Mary

Here's a short story: The mass of Mars is greater then that of Venus. Which planet emits stronger gravity? (A) Mars (B) Venus.  What is the most sensical answer between "Mars" and  "Venus"?
Mars

Here's a short story: The black hole has much more mass than the star so it also has (A) stronger gravity (B) weaker gravity.  What is the most sensical answer between "Black Hole" and  "Star"?
Black Hole