A submarine may crash.Logical formLearned from8 sentences. A (twin-engine jet) may crash.Logical formLearned from8 sentences. A driver may crash a bus.Logical formLearned from8 sentences. A bus may crash into a back of a truck.Logical formLearned from8 sentences. A (jumbo jet) may crash in a world-city.Logical formLearned from8 sentences. Some (freight trains) may crash.Logical formLearned from8 sentences. A plane may crash into a hotel.Logical formLearned from8 sentences. An osprey may crash.Logical formLearned from8 sentences. A plane may crash in province.Logical formLearned from8 sentences. A (cable car) may crash to the ground.Logical formLearned from8 sentences. Some aircraft may crash in a country.Logical formLearned from8 sentences. An (air force transport plane) may crash.Logical formLearned from8 sentences. A wall of snow may crash on a celebration.Logical formLearned from8 sentences. A jetliner may crash in an ocean.Logical formLearned from8 sentences. A (passenger jet) may crash into a mountainside.Logical formLearned from8 sentences.