A roar can be irregular.Logical formLearned from1 sentences. Air can be full of a roar of battle.Logical formLearned from1 sentences. A roar may be caused by a suction of water.Logical formLearned from1 sentences. A noise may grow to a roar.Logical formLearned from1 sentences. A roar can be from a king.Logical formLearned from1 sentences. A roar can be constituted-of-or-filled-with obloquy.Logical formLearned from1 sentences. A roar of guns may rouse an exile from a rest.Logical formLearned from1 sentences. A roar may pertain-to a world-city.Logical formLearned from1 sentences. Words may lose in a roar of a wind.Logical formLearned from1 sentences. A roar can be constituted-of-or-filled-with gas.Logical formLearned from1 sentences. A river may roll with a roar.Logical formLearned from1 sentences. A roar may pertain-to a (local driving).Logical formLearned from1 sentences. Persons may hear a roar of a whistle.Logical formLearned from1 sentences. A church can be with a roar of glass.Logical formLearned from1 sentences. A roar may pertain-to (steam whistle echoes).Logical formLearned from1 sentences.