A (trading system) may crash.Logical formLearned from6 sentences. A copter may crash into sea.Logical formLearned from6 sentences. A (storm surge) may crash.Logical formLearned from6 sentences. A (passenger jet) may crash into a herd of cows.Logical formLearned from6 sentences. A (freight train) may crash into a bus.Logical formLearned from6 sentences. A bomb may crash into a compound.Logical formLearned from6 sentences. A plane may crash into a lake.Logical formLearned from6 sentences. Giant waves may crash into some nations.Logical formLearned from6 sentences. Favorites may crash.Logical formLearned from6 sentences. Waves may crash across an ocean.Logical formLearned from6 sentences. A (passenger plane) may crash into a lake.Logical formLearned from6 sentences. Leaders may crash.Logical formLearned from6 sentences. A team-mate may crash.Logical formLearned from6 sentences. A jet may crash in village.Logical formLearned from6 sentences. A car may crash into a tanker.Logical formLearned from6 sentences.