An ability may undergo a collapse.Logical formLearned from16 sentences. A bill may undergo a collapse.Logical formLearned from16 sentences. A collapse can be an event.Logical formLearned from16 sentences. A (trade center) may undergo a collapse.Logical formLearned from16 sentences. A collapse may be seen from a US-city.Logical formLearned from16 sentences. A lot of persons can be on a brink of collapse.Logical formLearned from16 sentences. A collapse of a regime may become a nightmare.Logical formLearned from16 sentences. A fallout may pertain-to an economic collapse.Logical formLearned from16 sentences. A collapse can be in a US-city.Logical formLearned from16 sentences. A collapse may pertain-to fall.Logical formLearned from16 sentences. A collapse can be ideological.Logical formLearned from16 sentences. Collapse may undergo an event.Logical formLearned from16 sentences. A cause can be for a collapse.Logical formLearned from16 sentences. Fears can be about (regime collapse).Logical formLearned from16 sentences. A cancerous tumor can be on a verge of collapse.Logical formLearned from16 sentences.