(Colony collapse honeybees) may begin.Logical formLearned from6 sentences. A (mortgage market collapse) may pertain-to a country.Logical formLearned from6 sentences. Cities may undergo a collapse.Logical formLearned from6 sentences. Space may undergo a collapse.Logical formLearned from6 sentences. A collapse can be in health.Logical formLearned from6 sentences. Forecasts can be constituted-of-or-filled-with collapse.Logical formLearned from6 sentences. A post may expand collapse.Logical formLearned from6 sentences. (Trade negotiations) may undergo a collapse.Logical formLearned from6 sentences. A collapse can be a tragedy.Logical formLearned from6 sentences. A collapse can be for traitors.Logical formLearned from6 sentences. (Mine shafts) may undergo collapses.Logical formLearned from6 sentences. Russian empires may undergo a collapse.Logical formLearned from6 sentences. A (housing collapse) may dig a hole.Logical formLearned from6 sentences. A (takeover bid) may undergo a collapse.Logical formLearned from6 sentences. A collapse of a round of (trade negotiations) can be a setback.Logical formLearned from6 sentences.