A roar may pertain-to an underground railway.Logical formLearned from2 sentences. Roar may pertain-to a lion-heart.Logical formLearned from2 sentences. A roar can be from (home fans).Logical formLearned from2 sentences. A roar of delight may rise from an airport.Logical formLearned from2 sentences. Passengers may be deafened by a roar of a helicopter.Logical formLearned from2 sentences. A roar of a generator may fill a neighborhood.Logical formLearned from2 sentences. A roar of a crowd can be deafening.Logical formLearned from2 sentences. A roar can be for a team.Logical formLearned from2 sentences. Some roar can be for (welterweight titleholder).Logical formLearned from2 sentences. Champion may draw a roar.Logical formLearned from2 sentences. Roars can be constituted-of-or-filled-with run.Logical formLearned from2 sentences. Crowds may greet a female with roars of run.Logical formLearned from2 sentences. A roar of crowds may drown_out a sound.Logical formLearned from2 sentences. A crowd may sustain a roar.Logical formLearned from2 sentences. A roar may welcome dubliners.Logical formLearned from2 sentences.