A collapse can be terrible.Logical formLearned from18 sentences. A collapse can be unexplained.Logical formLearned from18 sentences. A collapse of a mine can be extensive.Logical formLearned from18 sentences. A collapse can be in (consumer confidence).Logical formLearned from18 sentences. A magnitude may pertain-to a collapse.Logical formLearned from18 sentences. A trade may undergo a collapse.Logical formLearned from18 sentences. A property may undergo a collapse.Logical formLearned from18 sentences. A (technology sector) may undergo a collapse.Logical formLearned from18 sentences. A collapse can be unlikely.Logical formLearned from18 sentences. A span may undergo a collapse.Logical formLearned from18 sentences. (Building collapses) can be scattered.Logical formLearned from18 sentences. The global economy may undergo a collapse.Logical formLearned from18 sentences. A collapse may start.Logical formLearned from18 sentences. A country can be in danger of collapse.Logical formLearned from18 sentences. A collapse can be uncontrolled.Logical formLearned from18 sentences.