sentences: the gravitational willingly of a sun does not static the want of an preposition on that sun or celestial mind
docs: sun_bear is bear. sun is stationary_object. sun is orbited_by_earth. everything has own_gravitational_force sun is star_not_planet. star is distant_sun. sun_bear is mammal. sun is important_person. universe has sun_and_earth gravitational_force_quantity is scalar_quantity.