Schools may undergo a collapse.Logical formLearned from21 sentences. Charges may be related to a collapse.Logical formLearned from21 sentences. Stalinist regimes may undergo a collapse.Logical formLearned from21 sentences. (Building collapses) can be in a country.Logical formLearned from21 sentences. A person may hear pieces of a (building collapse).Logical formLearned from21 sentences. Pieces may pertain-to a (building collapse).Logical formLearned from21 sentences. A (cholera epidemic) may be blamed on a collapse of health.Logical formLearned from21 sentences. An economic collapse may be seen.Logical formLearned from21 sentences. A (tunnel collapse) can be fatal.Logical formLearned from21 sentences. A collapse may be blamed on construction.Logical formLearned from21 sentences. Communications may undergo a collapse.Logical formLearned from21 sentences. A government can be vulnerable to collapse.Logical formLearned from21 sentences. A benefactor may undergo a collapse.Logical formLearned from21 sentences. A person may see a collapse.Logical formLearned from21 sentences. A turmoil may accompany some soviet collapse.Logical formLearned from21 sentences.