A plane may crash with some passengers.Logical formLearned from13 sentences. A (passenger bus) may crash.Logical formLearned from13 sentences. Some helicopter may crash during a (weekend commando raid).Logical formLearned from13 sentences. (Training exercise) may crash into a river.Logical formLearned from13 sentences. A male may crash to ice.Logical formLearned from13 sentences. A (mi-17 helicopter) may crash.Logical formLearned from13 sentences. (Engineering crew) may crash.Logical formLearned from13 sentences. A submarine may crash into a (fishing trawler).Logical formLearned from13 sentences. A concorde may crash into a hotel.Logical formLearned from13 sentences. A helicopter may crash on a (training mission).Logical formLearned from13 sentences. A second-largest city may crash into water.Logical formLearned from13 sentences. The economy may crash in a month.Logical formLearned from13 sentences. A (type aircraft) may crash.Logical formLearned from13 sentences. A yak-42 may crash into a mountain.Logical formLearned from13 sentences. A flight may crash after takeoff.Logical formLearned from13 sentences.