A roar can be appalling.Logical formLearned from2 sentences. A roar may pertain-to engine.Logical formLearned from2 sentences. Roars can be rhythmic.Logical formLearned from2 sentences. A roar may pertain-to a collapse.Logical formLearned from2 sentences. A roar can be colorful.Logical formLearned from2 sentences. A roar may pertain-to lions.Logical formLearned from2 sentences. An ability to roar can be due to features of a larynx.Logical formLearned from2 sentences. A roar can be trademarked.Logical formLearned from2 sentences. A roar can be stormy.Logical formLearned from2 sentences. A roar can be lonely.Logical formLearned from2 sentences. A roar can be raspy.Logical formLearned from2 sentences. A roar can be uninterrupted.Logical formLearned from2 sentences. A roar can be extinct.Logical formLearned from2 sentences. Roars can be constituted-of-or-filled-with merriment.Logical formLearned from2 sentences. A person may hear a roar of crowds.Logical formLearned from2 sentences.