Trick-or-treaters may ring doorbells.Logical formLearned from4 sentences. A doorbell can be a device.Logical formLearned from4 sentences. A man may ring a doorbell.Logical formLearned from4 sentences. A doorbell can be wireless.Logical formLearned from4 sentences. A doorbell may undergo a sensation.Logical formLearned from4 sentences. A doorbell may pertain-to relatives.Logical formLearned from4 sentences. Some (police officers) may ring a doorbell.Logical formLearned from4 sentences. Someone may ring a doorbell.Logical formLearned from4 sentences. A person may ring doorbells.Logical formLearned from4 sentences. A doorbell can be in sight.Logical formLearned from4 sentences. A person may press a doorbell.Logical formLearned from4 sentences. Doorbells may pertain-to a male.Logical formLearned from4 sentences. A doorbell can be to an apartment.Logical formLearned from4 sentences. A doorbell may ring for a time.Logical formLearned from4 sentences. A visitor may ring a doorbell.Logical formLearned from4 sentences.