A collapse can be serious.Logical formLearned from51 sentences. Collapses can be spectacular.Logical formLearned from51 sentences. A news may pertain-to a collapse.Logical formLearned from51 sentences. A collapse can be in a market.Logical formLearned from51 sentences. Automakers may undergo a collapse.Logical formLearned from51 sentences. A rebellion may undergo a collapse.Logical formLearned from50 sentences. A collapse can be on a road.Logical formLearned from50 sentences. A (mining dump) may undergo a collapse.Logical formLearned from50 sentences. A company can be on a verge of collapse.Logical formLearned from50 sentences. Western civilization may undergo a collapse.Logical formLearned from50 sentences. A patron may undergo a collapse.Logical formLearned from50 sentences. (Building collapses) can be common.Logical formLearned from50 sentences. Real estate may undergo a collapse.Logical formLearned from50 sentences. A nation may undergo a collapse.Logical formLearned from49 sentences. Colonialism may undergo a collapse.Logical formLearned from49 sentences.