A four-cylinder engine may roar.Logical formLearned from2 sentences. A male may roar into a lead.Logical formLearned from2 sentences. A person may roar with a series of singles.Logical formLearned from2 sentences. A (space shuttle endeavour) may roar into orbit.Logical formLearned from2 sentences. Bestial may roar.Logical formLearned from2 sentences. A catholic church may roar.Logical formLearned from2 sentences. Troops may roar through streets.Logical formLearned from2 sentences. A farmer may roar across fields.Logical formLearned from2 sentences. A crowd may roar words.Logical formLearned from2 sentences. A male may roar lines.Logical formLearned from2 sentences. Gods may roar in anger.Logical formLearned from2 sentences. (Job growth) may roar.Logical formLearned from2 sentences. Cannon may roar.Logical formLearned from2 sentences. Warplanes may roar after nightfall.Logical formLearned from2 sentences. A gorge may roar.Logical formLearned from2 sentences.