An aircraft may carry some passengers.Logical formLearned from238 sentences. A version may pertain-to an aircraft.Logical formLearned from234 sentences. An aircraft may undergo a performance.Logical formLearned from232 sentences. An aircraft can be manned.Logical formLearned from232 sentences. A (drone aircraft) may pertain-to a country.Logical formLearned from230 sentences. Hundreds can be constituted-of-or-filled-with aircraft.Logical formLearned from228 sentences. An (aircraft manufacturer) may pertain-to the world.Logical formLearned from226 sentences. An aircraft may crash.Logical formLearned from225 sentences. An aircraft may fire a missile.Logical formLearned from224 sentences. Aircraft may fly.Logical formLearned from224 sentences. An (aircraft maker) may pertain-to a country.Logical formLearned from211 sentences. An aircraft can be high-performance.Logical formLearned from207 sentences. A front may pertain-to an aircraft.Logical formLearned from206 sentences. An aircraft may be damaged.Logical formLearned from205 sentences. Safety may pertain-to an aircraft.Logical formLearned from205 sentences.