(Ocean ecosystems) may undergo a collapse.Logical formLearned from8 sentences. An environment may undergo a collapse.Logical formLearned from8 sentences. Some (collapse lands) can be on schools.Logical formLearned from8 sentences. An (epic collapse) may pertain-to a campaign.Logical formLearned from8 sentences. Idols of contemporary world can be on a verge of collapse.Logical formLearned from8 sentences. Idols can be on verge of collapse.Logical formLearned from8 sentences. A system can be on a verge of collapse.Logical formLearned from8 sentences. A financial collapse may offer an opportunity.Logical formLearned from8 sentences. A communist empire may undergo a collapse.Logical formLearned from8 sentences. An international monetary system may undergo a collapse.Logical formLearned from8 sentences. A collapse may send shockwaves.Logical formLearned from8 sentences. A problem may cause a collapse.Logical formLearned from8 sentences. Persons can be on a verge of economic collapse.Logical formLearned from8 sentences. A female can be on a brink of financial collapse.Logical formLearned from8 sentences. A (food chain) may undergo a collapse.Logical formLearned from8 sentences.