A gravitational contraction may produce heat.Logical formLearned from1 sentences. A gravitational contraction may form planets.Logical formLearned from1 sentences. A gravitational field can be fierce.Logical formLearned from1 sentences. A whirlpool can be gravitational.Logical formLearned from1 sentences. Interaction can be with a gravitational field.Logical formLearned from1 sentences. Stars may be sweep_uped by gravitational forces.Logical formLearned from1 sentences. A gravitational pull can be over a spot.Logical formLearned from1 sentences. A gravitational pull can be at a place.Logical formLearned from1 sentences. Gravitational fields may encircle stars.Logical formLearned from1 sentences. Presence of a dark matter may be inferred from a gravitational pull.Logical formLearned from1 sentences. A course may steal gravitational energy from some planets.Logical formLearned from1 sentences. A mayhem can be gravitational.Logical formLearned from1 sentences. Steam can be gravitational.Logical formLearned from1 sentences. A gravitational pull may pertain-to kids.Logical formLearned from1 sentences. A gravitational attraction can be at some a.m..Logical formLearned from1 sentences.