A roar may pertain-to a cannon.Logical formLearned from23 sentences. A roar may pertain-to planes.Logical formLearned from23 sentences. A roar may pertain-to crowds.Logical formLearned from22 sentences. A roar can be constituted-of-or-filled-with protest.Logical formLearned from22 sentences. Summer may approach a roar of cars.Logical formLearned from22 sentences. A roar may pertain-to a day.Logical formLearned from22 sentences. Roars can be constituted-of-or-filled-with support.Logical formLearned from22 sentences. A roar may erupt.Logical formLearned from21 sentences. A roar can be from fans.Logical formLearned from21 sentences. A roar may pertain-to rain.Logical formLearned from21 sentences. A male may say to roars of approval.Logical formLearned from21 sentences. A roar can be in ears.Logical formLearned from20 sentences. A roar can be in ears.Logical formLearned from20 sentences. A roar can be silent.Logical formLearned from20 sentences. A roar may pertain-to engines.Logical formLearned from20 sentences.