A gravitational pull may pertain-to cities.Logical formLearned from2 sentences. A gravitational force may pertain-to a home.Logical formLearned from2 sentences. A gravitational pull can be varying.Logical formLearned from2 sentences. (Force changes) can be gravitational.Logical formLearned from2 sentences. Gravitational forces may pertain-to the moons.Logical formLearned from2 sentences. Gravitational boosts can be from flybies.Logical formLearned from2 sentences. A gravitational pull may squash a (gas cloud).Logical formLearned from2 sentences. A gravitational pull may be produced by a halo of dark matter.Logical formLearned from2 sentences. A gravitational force can be in galaxies.Logical formLearned from2 sentences. A gravitational force can be on an apple.Logical formLearned from2 sentences. A gravitational force may whirl a star.Logical formLearned from2 sentences. A gravitational force may fall with a square of a distance.Logical formLearned from2 sentences. (Lensing data) can be gravitational.Logical formLearned from2 sentences. Places can be with gravitational pulls.Logical formLearned from2 sentences. A gravitational pull can be at points.Logical formLearned from2 sentences.