Bombers may take_off from a base.Logical formLearned from2 sentences. Some (f-16 fighters) may take_off from an airline.Logical formLearned from2 sentences. Some (f-16 fighter jets) may take_off from an airline.Logical formLearned from2 sentences. A (light plane) may take_off at some local time.Logical formLearned from2 sentences. F-15 may take_off from a country.Logical formLearned from2 sentences. Warplanes may take_off from an airline.Logical formLearned from2 sentences. Some military helicopters may collide after take_offing from an airport.Logical formLearned from2 sentences. A bomber may take_off from base.Logical formLearned from2 sentences. Some (fighter jets) may take_off from an airline.Logical formLearned from2 sentences. A flight may take_off for capital.Logical formLearned from2 sentences. A plane may take_off at an (international airport).Logical formLearned from2 sentences. Some flights may prevent planes from take_offing.Logical formLearned from2 sentences. A solar-powered plane may take_off on a (test flight).Logical formLearned from2 sentences. Planes may take_off from territory.Logical formLearned from2 sentences. A plane may take_off from an (air force base).Logical formLearned from2 sentences.