A building may crash onto a playground.Logical formLearned from6 sentences. A helicopter may crash in gunfire.Logical formLearned from6 sentences. A rocket may crash after takeoff.Logical formLearned from6 sentences. (Killer waves) may crash.Logical formLearned from6 sentences. A first wave may crash.Logical formLearned from6 sentences. A plane may crash on a mountain.Logical formLearned from6 sentences. A (transport plane) may crash in a country.Logical formLearned from6 sentences. An (air force jet) may crash during a (training flight).Logical formLearned from6 sentences. A helicopter may crash in an accident.Logical formLearned from6 sentences. A male may crash a bicycle.Logical formLearned from6 sentences. A (fighter bomber) may crash.Logical formLearned from6 sentences. A (passenger plane) may crash on takeoff.Logical formLearned from6 sentences. (World markets) may crash.Logical formLearned from6 sentences. A plane may crash into a hillside.Logical formLearned from6 sentences. A person may crash in a us-state.Logical formLearned from6 sentences.