A helicopter may crash into a hillside.Logical formLearned from8 sentences. Flights may crash.Logical formLearned from8 sentences. Some jets may crash into towers.Logical formLearned from8 sentences. A jetliner may crash in a us-state.Logical formLearned from8 sentences. Jets may crash.Logical formLearned from8 sentences. A (cargo ship) may crash.Logical formLearned from8 sentences. Crusade may crash into a roadblock.Logical formLearned from8 sentences. A male may crash on a descent.Logical formLearned from8 sentences. An era may crash to a close.Logical formLearned from8 sentences. A (space station) may crash on a month.Logical formLearned from8 sentences. A US-president may crash (caucus retreats).Logical formLearned from8 sentences. A md-82 may crash in a US-city.Logical formLearned from8 sentences. A mass of ice may crash.Logical formLearned from8 sentences. (Food distribution systems) may crash.Logical formLearned from8 sentences. A show may crash.Logical formLearned from8 sentences.