A (mortgage crisis) may swell into a (debt crisis).Logical formLearned from3 sentences. (Welfare payouts) may swell.Logical formLearned from3 sentences. A turmoil may swell.Logical formLearned from3 sentences. A river may swell to a peak.Logical formLearned from3 sentences. Cans of food may swell.Logical formLearned from3 sentences. Throngs of thrill-seekers may swell.Logical formLearned from3 sentences. A river may swell with (landslide debris).Logical formLearned from3 sentences. Ranks may swell to tens of thousands.Logical formLearned from3 sentences. Lakes may swell behind walls of mud.Logical formLearned from3 sentences. Credit may swell.Logical formLearned from3 sentences. A loss may swell.Logical formLearned from3 sentences. Forecasters may swell.Logical formLearned from3 sentences. A public sector may swell.Logical formLearned from3 sentences. A crowd may swell to some hundreds.Logical formLearned from3 sentences. Communities may swell.Logical formLearned from3 sentences.