A helicopter may crash after take_offing from a (military base).Logical formLearned from2 sentences. A (shuttle progress m1-10) may take_off from a cosmodrome.Logical formLearned from2 sentences. Poachers may take_off with (elephant tusks).Logical formLearned from2 sentences. (World number one) may come after take_offing a year.Logical formLearned from2 sentences. A group of bombers may take_off for a round of attacks.Logical formLearned from2 sentences. A world-city may take_off for a round of attacks.Logical formLearned from2 sentences. (B-52 bombers) may take_off from an (air base).Logical formLearned from2 sentences. Private capital may take_off in (aviation industry).Logical formLearned from2 sentences. An aircraft may take_off from airfield.Logical formLearned from2 sentences. An an-2 may nosedive after take_offing from an airfield.Logical formLearned from2 sentences. A jumbo jet may take_off from an airport.Logical formLearned from2 sentences. A spacecraft may take_off into space.Logical formLearned from2 sentences. A plane may take_off without a clearance.Logical formLearned from2 sentences. An airplane may take_off from an airport.Logical formLearned from2 sentences. Some (l-39 planes) may collide after take_offing.Logical formLearned from2 sentences.