Songs may be heard.Logical formLearned from47 sentences. A bang may be heard.Logical formLearned from47 sentences. A person may hear a night.Logical formLearned from47 sentences. A male may hear of a case.Logical formLearned from47 sentences. A person may hear a language.Logical formLearned from47 sentences. Laughter may be heard.Logical formLearned from47 sentences. A president may be heard.Logical formLearned from47 sentences. A female may hear a shot.Logical formLearned from47 sentences. A click may be heard.Logical formLearned from46 sentences. A person may hear a debate.Logical formLearned from46 sentences. A person may hear a dad.Logical formLearned from46 sentences. A male may hear from a son.Logical formLearned from46 sentences. A person may hear rain.Logical formLearned from46 sentences. A female may hear gunfire.Logical formLearned from46 sentences. An one may hear from a person.Logical formLearned from46 sentences.