A spacecraft may land.Logical formLearned from19 sentences. A spacecraft can be on a planet.Logical formLearned from19 sentences. A flight may pertain-to a spacecraft.Logical formLearned from19 sentences. A spacecraft may execute a (command sequence).Logical formLearned from19 sentences. Skin may pertain-to a spacecraft.Logical formLearned from19 sentences. Spacecraft may undergo a docking.Logical formLearned from19 sentences. A spacecraft may undergo a test.Logical formLearned from19 sentences. Spacecraft may undergo a constellation.Logical formLearned from19 sentences. A spacecraft can be combined.Logical formLearned from19 sentences. Wings may pertain-to a spacecraft.Logical formLearned from19 sentences. An arm may pertain-to a spacecraft.Logical formLearned from19 sentences. A spacecraft may fly.Logical formLearned from19 sentences. A spacecraft may part company.Logical formLearned from19 sentences. Supplies can be between some spacecraft.Logical formLearned from19 sentences. A spacecraft may pertain-to a company.Logical formLearned from18 sentences.