A shell may crash into a house.Logical formLearned from5 sentences. A (passenger airplane) may crash on an (arctic mountain).Logical formLearned from5 sentences. Prices may crash in 1990s.Logical formLearned from5 sentences. An (army helicopter) may crash during a (training flight).Logical formLearned from5 sentences. A plane may crash around midday.Logical formLearned from5 sentences. Flanker may crash.Logical formLearned from5 sentences. An (air force skyhawk jet fighter) may crash during a (training exercise).Logical formLearned from5 sentences. A (passenger plane) may crash during a sandstorm.Logical formLearned from5 sentences. A car may crash during practice.Logical formLearned from5 sentences. Police may crash into taxis.Logical formLearned from5 sentences. A person may crash through a flag.Logical formLearned from5 sentences. A shell may crash into a crowd.Logical formLearned from5 sentences. A (radar plane) may crash in (fireball moments).Logical formLearned from5 sentences. A (truck driver) may crash into a tree.Logical formLearned from5 sentences. A car may crash into a tractor.Logical formLearned from5 sentences.