Futures may crash on tensions.Logical formLearned from5 sentences. A plane may crash into an (apartment block).Logical formLearned from5 sentences. A small aircraft may crash into an (apartment building).Logical formLearned from5 sentences. A helicopter may crash after take-off.Logical formLearned from5 sentences. A plane may crash into hills.Logical formLearned from5 sentences. A chopper may crash into a waterway.Logical formLearned from5 sentences. A helicopter may crash in conditions.Logical formLearned from5 sentences. Some mortars may crash.Logical formLearned from5 sentences. Some (truck drivers) may crash into a sinkhole.Logical formLearned from5 sentences. An a320 may crash.Logical formLearned from5 sentences. A plane may crash upon landing.Logical formLearned from5 sentences. A jet may crash in weather.Logical formLearned from5 sentences. Choppers may crash in circumstances.Logical formLearned from5 sentences. An (army mi-17 helicopter) may crash during (relief operations).Logical formLearned from5 sentences. A military may crash.Logical formLearned from5 sentences.