A (propulsion method) may overcome a gravitational pull.Logical formLearned from2 sentences. A characteristic of a gravitational field can be presence of mascons.Logical formLearned from2 sentences. Some objects may have a gravitational pull.Logical formLearned from2 sentences. Predictability may break_down in gravitational fields.Logical formLearned from2 sentences. A speedup can be gravitational.Logical formLearned from2 sentences. Clocks can be in a gravitational field.Logical formLearned from2 sentences. Differences can be in gravitational potential energy.Logical formLearned from2 sentences. A softening can be gravitational.Logical formLearned from2 sentences. Gravitational forces may change.Logical formLearned from2 sentences. A gravitational (force field) may be induced by points.Logical formLearned from2 sentences. A person may pull gravitational forces.Logical formLearned from2 sentences. A gravitational force can be on feet.Logical formLearned from2 sentences. Gravitational pulls can be combined.Logical formLearned from2 sentences. A spacecraft may escape a gravitational pull.Logical formLearned from2 sentences. Duty can be as a gravitational field.Logical formLearned from2 sentences.