Levees may undergo a collapse.Logical formLearned from17 sentences. A collapse can be apocalyptic.Logical formLearned from17 sentences. Land may undergo a collapse.Logical formLearned from17 sentences. A collapse can be brutal.Logical formLearned from17 sentences. A walkway may undergo a collapse.Logical formLearned from17 sentences. A collapse can be in domestic demand.Logical formLearned from17 sentences. A collapse may pertain-to jets.Logical formLearned from17 sentences. Collapses can be catastrophic.Logical formLearned from17 sentences. A collapse may pertain-to a bank.Logical formLearned from17 sentences. A collapse can be annual.Logical formLearned from17 sentences. The soviet economy may undergo a collapse.Logical formLearned from17 sentences. A financial collapse may come as a shock to some governments.Logical formLearned from17 sentences. A danger may remain of a collapse.Logical formLearned from17 sentences. A collapse of communism may mean that something-is-the-case.Logical formLearned from17 sentences. A collapse can be in a property.Logical formLearned from17 sentences.