A male may knock some times.Logical formLearned from32 sentences. A person may knock some times.Logical formLearned from32 sentences. A male may knock on a door.Logical formLearned from32 sentences. A person may knock a door.Logical formLearned from31 sentences. A country may knock on a door.Logical formLearned from31 sentences. A person may be knocked on a door.Logical formLearned from31 sentences. Persons may knock on doors.Logical formLearned from31 sentences. A man may knock on a door.Logical formLearned from30 sentences. A male may knock a hand.Logical formLearned from30 sentences. An one may knock on a door.Logical formLearned from30 sentences. Air may be knocked.Logical formLearned from30 sentences. A US-city may be knocked.Logical formLearned from30 sentences. Door may knock.Logical formLearned from29 sentences. A US-president may knock farmhouse.Logical formLearned from29 sentences. An engine may knock.Logical formLearned from28 sentences.