A plane may crash into a south tower.Logical formLearned from5 sentences. A van may crash into a (consulate guard post).Logical formLearned from5 sentences. A bus may crash into a lorry.Logical formLearned from5 sentences. Some planes may crash into floors of some towers.Logical formLearned from5 sentences. A mi-8 may crash.Logical formLearned from5 sentences. A train may crash into a car.Logical formLearned from5 sentences. A plane may crash off a world-city.Logical formLearned from5 sentences. A (mig-21 fighter jet) may crash.Logical formLearned from5 sentences. A (cargo jet) may crash.Logical formLearned from5 sentences. A helicopter may crash on a (training mission).Logical formLearned from5 sentences. A helicopter may crash in a morning.Logical formLearned from5 sentences. Some planes may crash on a month.Logical formLearned from5 sentences. Some (commuter trains) may crash.Logical formLearned from5 sentences. A (civil plane) may crash.Logical formLearned from5 sentences. Air may crash.Logical formLearned from5 sentences.