sentences: as distance from an object decreases , the pull of gravity on that object increases
docs: gravity has effect_of_pulling_things_down gravity is weak_force. gravity is force. metals has relatively_little_electrical_resistance_to_electricity pull is force. gravity is force_in_universe. gravity is attraction. remove is distance. heavier_objects has greater_gravity_than_small_objects gravity is attractive_force_felt_between_objects.