A (music industry) may undergo a collapse.Logical formLearned from18 sentences. A collapse can be in mortgages.Logical formLearned from18 sentences. A (credit bubble) may undergo a collapse.Logical formLearned from18 sentences. A collapse of towers may break a (city water main).Logical formLearned from18 sentences. A cliff may undergo a collapse.Logical formLearned from18 sentences. A collapse can be in a (property market).Logical formLearned from18 sentences. Mortgages may undergo a collapse.Logical formLearned from18 sentences. A collapse can be in a (banking sector).Logical formLearned from18 sentences. Education may undergo a collapse.Logical formLearned from18 sentences. A collapse can be controlled.Logical formLearned from18 sentences. A (school collapse) may pertain-to a country.Logical formLearned from18 sentences. Some persons can be in a collapse of a mine.Logical formLearned from18 sentences. Costs may pertain-to a collapse.Logical formLearned from18 sentences. A penthouse may undergo a collapse.Logical formLearned from18 sentences. A person can be on a verge of collapse.Logical formLearned from18 sentences.