A roof may collapse after an explosion.Logical formLearned from17 sentences. A part of a building may collapse.Logical formLearned from17 sentences. A fence may collapse.Logical formLearned from17 sentences. A (security system) may collapse.Logical formLearned from17 sentences. Some percent of houses may collapse.Logical formLearned from17 sentences. An economic system may collapse.Logical formLearned from17 sentences. A road may collapse.Logical formLearned from17 sentences. A student may collapse.Logical formLearned from17 sentences. (Cease-fire agreements) may collapse within hours.Logical formLearned from17 sentences. A bed may collapse.Logical formLearned from17 sentences. Firms may collapse.Logical formLearned from17 sentences. The palestinian economy may collapse.Logical formLearned from17 sentences. Six-party talks may collapse.Logical formLearned from17 sentences. A scaffold may collapse.Logical formLearned from16 sentences. A portion of a roof may collapse.Logical formLearned from16 sentences.