Warplanes may roar over a country.Logical formLearned from4 sentences. A (lion cub) may roar.Logical formLearned from4 sentences. Hosts may roar.Logical formLearned from4 sentences. An avalanche may roar through a region.Logical formLearned from4 sentences. Some avalanches may roar.Logical formLearned from4 sentences. A male may roar into space.Logical formLearned from4 sentences. A person may roar into a clubhouse.Logical formLearned from4 sentences. Motorbikes may roar.Logical formLearned from4 sentences. A person may roar a name.Logical formLearned from4 sentences. A battlefield of a capital may roar with gunfire.Logical formLearned from4 sentences. Some spectators may roar.Logical formLearned from4 sentences. (Brush-clearing fires) may roar.Logical formLearned from4 sentences. Financial markets may roar.Logical formLearned from4 sentences. An engine may roar.Logical formLearned from4 sentences. A bus may roar to life.Logical formLearned from4 sentences.