Some (f-4 fighters) may take_off from an (air base).Logical formLearned from2 sentences. A bomber may take_off from a (military airport).Logical formLearned from2 sentences. Some jets may take_off from an (aircraft carrier).Logical formLearned from2 sentences. F-18s may take_off from an (aircraft carrier).Logical formLearned from2 sentences. Civil aircraft of a chinese mainland may take_off from a world-city.Logical formLearned from2 sentences. A rocket may take_off from a (space center).Logical formLearned from2 sentences. A mobilization may take_off at an airport.Logical formLearned from2 sentences. A helicopter may take_off at some m..Logical formLearned from2 sentences. A (progress m-49) may take_off from a cosmodrome.Logical formLearned from2 sentences. A (passenger jet) may take_off from an airbase.Logical formLearned from2 sentences. A person may be take_offed at halftime.Logical formLearned from2 sentences. A plane may crash after take_offing from an island.Logical formLearned from2 sentences. A vehicle may be take_offed.Logical formLearned from2 sentences. Flight may take_off in a country.Logical formLearned from2 sentences. Planes may take_off at an airport.Logical formLearned from2 sentences.