A (crowd noise) may swell to a roar.Logical formLearned from2 sentences. Coffers of (buyout firms) may swell over years.Logical formLearned from2 sentences. Opposition to plans may swell.Logical formLearned from2 sentences. An anticipation may swell.Logical formLearned from2 sentences. Keyboards may swell.Logical formLearned from2 sentences. A town may be swollen with (summer residents).Logical formLearned from2 sentences. Inventories may swell to a level.Logical formLearned from2 sentences. A crowd may swell into tens of thousands.Logical formLearned from2 sentences. Ranks of militants may swell.Logical formLearned from2 sentences. A (trade deficit) may swell more.Logical formLearned from2 sentences. (Applicant pools) may swell from a (population boom) of high-school students.Logical formLearned from2 sentences. Oceans may swell with water.Logical formLearned from2 sentences. Practices may swell.Logical formLearned from2 sentences. A (guest book) may swell with messages.Logical formLearned from2 sentences. A middle class may swell (air travel).Logical formLearned from2 sentences.