A soviet union may undergo a collapse.Logical formLearned from19 sentences. A country can be on a brink of collapse.Logical formLearned from19 sentences. A collapse can be horrible.Logical formLearned from19 sentences. (Border restrictions) may ease after a collapse of communism.Logical formLearned from19 sentences. A prospect may pertain-to a collapse.Logical formLearned from19 sentences. Brothers may undergo a collapse.Logical formLearned from19 sentences. Farming may undergo a collapse.Logical formLearned from19 sentences. (Investment firm) may undergo a collapse.Logical formLearned from19 sentences. A collapse can be a result of terrorism.Logical formLearned from19 sentences. A collapse can be worse.Logical formLearned from19 sentences. A role can be in a collapse of a bank.Logical formLearned from19 sentences. A (lava dome) may undergo a collapse.Logical formLearned from18 sentences. A cloud may undergo a collapse.Logical formLearned from18 sentences. A (credit system) may undergo a collapse.Logical formLearned from18 sentences. Giants may undergo a collapse.Logical formLearned from18 sentences.