A roar can be inaudible to human ears.Logical formLearned from2 sentences. Roars can be from engines.Logical formLearned from2 sentences. Chainsaws may start to roar.Logical formLearned from2 sentences. A roar can be constituted-of-or-filled-with jeers.Logical formLearned from2 sentences. A roar of equipment can be soothing.Logical formLearned from2 sentences. A roar can be constituted-of-or-filled-with affirmation.Logical formLearned from2 sentences. A thrill can be in a roar of engines.Logical formLearned from2 sentences. A roar may pertain-to shellings.Logical formLearned from2 sentences. A roar may pertain-to a drill.Logical formLearned from2 sentences. An event may close with a roar of cannons.Logical formLearned from2 sentences. A roar can be from passengers.Logical formLearned from2 sentences. Persons may let_out a roar.Logical formLearned from2 sentences. A (baseball strike) may begin with a roar of a lion.Logical formLearned from2 sentences. A roar can be around a green.Logical formLearned from2 sentences. A roar can be constituted-of-or-filled-with expectancy.Logical formLearned from2 sentences.