Pieces may pertain-to a spacecraft.Logical formLearned from14 sentences. A (bus line) may involve some spacecraft.Logical formLearned from14 sentences. A (successor spacecraft) can be to a shuttle.Logical formLearned from14 sentences. An (exterior tank) may pertain-to a spacecraft.Logical formLearned from14 sentences. A spacecraft can be ready.Logical formLearned from14 sentences. A pipe may carry oxygen to a cabin of a spacecraft.Logical formLearned from14 sentences. A cabin may pertain-to a spacecraft.Logical formLearned from14 sentences. A spacecraft may pertain-to an agency.Logical formLearned from13 sentences. Experiments can be on a spacecraft.Logical formLearned from13 sentences. A journey may pertain-to a spacecraft.Logical formLearned from13 sentences. Observations can be by spacecraft.Logical formLearned from13 sentences. Spacecrafts can be unmanned.Logical formLearned from13 sentences. A spacecraft can be in a program.Logical formLearned from13 sentences. A spacecraft may remain in orbit.Logical formLearned from13 sentences. A spacecraft may undergo a breakup.Logical formLearned from13 sentences.