A roar can be from some helicopters.Logical formLearned from3 sentences. A roar of an engine may drown_out protesters with signs.Logical formLearned from3 sentences. A roar can be a call.Logical formLearned from3 sentences. A roar may fill a civic center.Logical formLearned from3 sentences. A roar can be constituted-of-or-filled-with glee.Logical formLearned from3 sentences. A roar may add to a pandemonium.Logical formLearned from3 sentences. A roar may pertain-to breakers.Logical formLearned from3 sentences. A male may say with a roar.Logical formLearned from3 sentences. A roar of gunfire may bounce off a (granite peak).Logical formLearned from3 sentences. Response can be to a roar.Logical formLearned from3 sentences. Roar can be from headlands.Logical formLearned from3 sentences. A person may hear a roar of engine.Logical formLearned from3 sentences. A male may draw a roar of approval.Logical formLearned from3 sentences. A male may have a roar.Logical formLearned from3 sentences. A roar of shouts may signal that something-is-the-case.Logical formLearned from3 sentences.