A communist bloc may collapse.Logical formLearned from12 sentences. A person may collapse at a mansion.Logical formLearned from12 sentences. A wheel may collapse.Logical formLearned from12 sentences. An economy may collapse over a decade.Logical formLearned from12 sentences. A roof of a rink may collapse under a weight of snow.Logical formLearned from12 sentences. Dreams may collapse.Logical formLearned from12 sentences. Scores of buildings may collapse.Logical formLearned from12 sentences. (World oil prices) may collapse.Logical formLearned from12 sentences. A market may be collapsed.Logical formLearned from12 sentences. A building may collapse in a suburb.Logical formLearned from12 sentences. A (stadium wall) may collapse.Logical formLearned from12 sentences. Some buildings may be collapsed.Logical formLearned from11 sentences. A regime may collapse.Logical formLearned from11 sentences. A (freeway bridge) may collapse.Logical formLearned from11 sentences. A mosque may collapse.Logical formLearned from11 sentences.