A spacecraft may enter an orbit.Logical formLearned from30 sentences. An anniversary can be in orbit.Logical formLearned from30 sentences. An orbit may pertain-to a US-city.Logical formLearned from30 sentences. Some astronauts can be in orbit.Logical formLearned from29 sentences. An end may pertain-to an orbit.Logical formLearned from28 sentences. Orbit can be around stars.Logical formLearned from28 sentences. An orbit may pertain-to a craft.Logical formLearned from28 sentences. An orbit may be achieved.Logical formLearned from28 sentences. Some objects can be in orbit.Logical formLearned from28 sentences. A satellite may be launched into orbit.Logical formLearned from28 sentences. An orbit can be around the earth.Logical formLearned from28 sentences. A rocket may reach orbit.Logical formLearned from28 sentences. A first day can be in orbit.Logical formLearned from28 sentences. Variety can be constituted-of-or-filled-with orbits.Logical formLearned from27 sentences. An orbit can be about the sun.Logical formLearned from27 sentences.