A roar may rise_up from a crowd.Logical formLearned from2 sentences. A male may hear a roar of planes.Logical formLearned from2 sentences. A roar may pertain-to boilers.Logical formLearned from2 sentences. A (world premiere) may pertain-to a roar.Logical formLearned from2 sentences. A roar may pertain-to a fan.Logical formLearned from2 sentences. A roar may galvanise a person.Logical formLearned from2 sentences. A roar may pertain-to a (fumigation truck).Logical formLearned from2 sentences. A roar may be duled to a hum.Logical formLearned from2 sentences. A roar of a tide-to may use be heard in some states image-has.Logical formLearned from2 sentences. A protest may rise to a roar.Logical formLearned from2 sentences. A roar may be accompanied by billowing clouds of smoke.Logical formLearned from2 sentences. A roar can be solemn.Logical formLearned from2 sentences. A roar can be urgent.Logical formLearned from2 sentences. A roar can be constituted-of-or-filled-with bombs.Logical formLearned from2 sentences. A roar may pertain-to a tide-to.Logical formLearned from2 sentences.