An aircraft may carry some persons.Logical formLearned from41 sentences. An aircraft may take_off from airport.Logical formLearned from41 sentences. Aircraft may undergo formations.Logical formLearned from40 sentences. An aircraft can be sleek.Logical formLearned from40 sentences. Sections may pertain-to an aircraft.Logical formLearned from40 sentences. Aircraft may undergo a detection.Logical formLearned from40 sentences. An aircraft can be simulated.Logical formLearned from40 sentences. An aircraft can be surplus.Logical formLearned from40 sentences. Aircraft may undergo a leasing.Logical formLearned from40 sentences. Aircrafts can be in flight.Logical formLearned from40 sentences. Names may be carried by an (aircraft fleet).Logical formLearned from40 sentences. An occurrence may be associated with an operation of an aircraft.Logical formLearned from40 sentences. Aircrafts may pertain-to a government-agency.Logical formLearned from40 sentences. A history may pertain-to an aircraft.Logical formLearned from40 sentences. Persons may have aircrafts.Logical formLearned from40 sentences.