A jetliner may crash on approach.Logical formLearned from5 sentences. Rockets may crash.Logical formLearned from5 sentences. An antonov-12 may crash.Logical formLearned from5 sentences. A (commuter plane) may crash into a mountain.Logical formLearned from5 sentences. Shells may crash into a market.Logical formLearned from5 sentences. A (training aircraft) may crash in a district.Logical formLearned from4 sentences. A helicopter may crash with some persons.Logical formLearned from4 sentences. A (turboprop plane) of an airline may crash.Logical formLearned from4 sentences. A (flood relief helicopter) may crash into a lake.Logical formLearned from4 sentences. A helicopter may crash into a lake.Logical formLearned from4 sentences. A plane may crash in district.Logical formLearned from4 sentences. An (erj-190 plane) may crash on landing.Logical formLearned from4 sentences. An aircraft of a state may crash.Logical formLearned from4 sentences. A carrier may crash.Logical formLearned from4 sentences. A (f-4 fighter jet) may crash.Logical formLearned from4 sentences.