A roar may be heard by humans.Logical formLearned from1 sentences. Monkey may be knowned for a roar.Logical formLearned from1 sentences. Roars may be heard for distances.Logical formLearned from1 sentences. Brown bears may make a roar.Logical formLearned from1 sentences. A roar of bulls may be heard.Logical formLearned from1 sentences. Oil may blow_in with a roar.Logical formLearned from1 sentences. Roar can be a sound.Logical formLearned from1 sentences. A roar can be constituted-of-or-filled-with live steam.Logical formLearned from1 sentences. A clean roar may pertain-to an engine.Logical formLearned from1 sentences. A roar of an engine may speak of a skill of a male.Logical formLearned from1 sentences. A roar can be in blood.Logical formLearned from1 sentences. A roar may change to a growl.Logical formLearned from1 sentences. An (engine roar) can be reassuring.Logical formLearned from1 sentences. A roar of a gallery may roll across a landscape of a US-city.Logical formLearned from1 sentences.