A bear may roar.Logical formLearned from16 sentences. Flames may roar.Logical formLearned from16 sentences. An avalanche may roar.Logical formLearned from16 sentences. Crowds may roar.Logical formLearned from15 sentences. Everyone may roar.Logical formLearned from15 sentences. A voice may roar.Logical formLearned from15 sentences. Everyone may roar with laughter.Logical formLearned from15 sentences. Lions may roar.Logical formLearned from15 sentences. Thousands of troops may roar into a nation.Logical formLearned from15 sentences. Cars may roar.Logical formLearned from15 sentences. A mouse may roar.Logical formLearned from15 sentences. Winds may roar.Logical formLearned from15 sentences. Markets may roar.Logical formLearned from15 sentences. A father may roar.Logical formLearned from15 sentences. A train may roar.Logical formLearned from15 sentences.