A fire may roar.Logical formLearned from82 sentences. Stocks may roar.Logical formLearned from80 sentences. Persons may roar.Logical formLearned from78 sentences. A storm may roar.Logical formLearned from76 sentences. Engines may roar.Logical formLearned from71 sentences. A crowd may roar with approval.Logical formLearned from71 sentences. An engine may roar to life.Logical formLearned from69 sentences. (Fighter jets) may roar.Logical formLearned from67 sentences. Fans may roar.Logical formLearned from66 sentences. A country may roar.Logical formLearned from60 sentences. A road may roar.Logical formLearned from60 sentences. A gallery may roar.Logical formLearned from54 sentences. A mouse may roar.Logical formLearned from54 sentences. A crowd may roar with laughter.Logical formLearned from50 sentences. An economy may roar.Logical formLearned from50 sentences.