sentence2_structure: Increasing the distance between the two magnets<>will cause<>a decrease in the force of attraction between two magnets
sentence1: Take a loose magnet and place it on the Magnet-on-a-post so the two magnets attract.
sentence2: Increasing the distance between the two magnets will cause a decrease in the force of attraction between two magnets.
question: Which factor will cause a decrease in the force of attraction between two magnets?