A roar may pertain-to busses.Logical formLearned from2 sentences. A roar may pertain-to rifles.Logical formLearned from2 sentences. A roar may increase in volume.Logical formLearned from2 sentences. Roars may pertain-to lions.Logical formLearned from2 sentences. A volley can be constituted-of-or-filled-with roars.Logical formLearned from2 sentences. A roar of thunder may be reverberated through heavens.Logical formLearned from2 sentences. A roar may set hairs to bristling from craniums.Logical formLearned from2 sentences. A roar of pain may be smothered by a volley.Logical formLearned from2 sentences. Roars may be reverberated through a forest.Logical formLearned from2 sentences. A roar may be reverberated.Logical formLearned from2 sentences. Some roar may break from a throat.Logical formLearned from2 sentences. A roar may sound in ears.Logical formLearned from2 sentences. Roars may pertain-to a lion.Logical formLearned from2 sentences. Roars may tumble from a chest.Logical formLearned from2 sentences. A roar of a lion may seem a sound.Logical formLearned from2 sentences.