Aircraft may undergo an acquisition.Logical formLearned from77 sentences. An aircraft may fly on a month.Logical formLearned from76 sentences. A position may pertain-to an aircraft.Logical formLearned from76 sentences. An aircraft may be delivered.Logical formLearned from76 sentences. Aircrafts may be used.Logical formLearned from76 sentences. (Aircraft carriers) may pertain-to persons.Logical formLearned from76 sentences. Aircraft may begin.Logical formLearned from76 sentences. An aircraft may undergo a landing.Logical formLearned from76 sentences. An aircraft may burst into flames.Logical formLearned from75 sentences. A (737-200 aircraft) may pertain-to a company.Logical formLearned from75 sentences. An aircraft may undergo a hijacking.Logical formLearned from75 sentences. An aircraft can be unauthorized.Logical formLearned from75 sentences. An aircraft can be stealthy.Logical formLearned from75 sentences. A position may pertain-to an aircraft.Logical formLearned from74 sentences. An aircraft can be completed.Logical formLearned from74 sentences.