sentence2_structure: Increasing the distance between the two magnets<>will cause<>a decrease in the force of attraction between two magnets
sentence1: If the separation distance between two objects is doubled (increased by a factor of 2), then the force of gravitational attraction is decreased by a factor of 4 (2 raised to the second power).
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?