A spacecraft can be in orbit.Logical formLearned from57 sentences. A spacecraft may orbit a planet.Logical formLearned from56 sentences. A spacecraft can be operational.Logical formLearned from56 sentences. A spacecraft may be designed.Logical formLearned from55 sentences. A spacecraft may move.Logical formLearned from55 sentences. A spacecraft may enter orbit.Logical formLearned from54 sentences. A spacecraft can be manned.Logical formLearned from54 sentences. A spacecraft can be linked.Logical formLearned from53 sentences. A spacecraft can be in orbit.Logical formLearned from52 sentences. Images may be took by a spacecraft.Logical formLearned from52 sentences. A spacecraft may be discovered.Logical formLearned from52 sentences. A position may pertain-to a spacecraft.Logical formLearned from52 sentences. (Command files) may be radiated to a spacecraft.Logical formLearned from51 sentences. A spacecraft may pertain-to a continent.Logical formLearned from51 sentences. A spacecraft may reach a planet.Logical formLearned from50 sentences.