A male may knock a door.Logical formLearned from25 sentences. A door may be knocked.Logical formLearned from24 sentences. The police may knock on a door.Logical formLearned from24 sentences. A person may knock a US-city.Logical formLearned from24 sentences. Some men may knock at a door.Logical formLearned from24 sentences. Persons may knock.Logical formLearned from24 sentences. A wind may knock.Logical formLearned from23 sentences. A male may knock some sense.Logical formLearned from23 sentences. Death may knock on a door.Logical formLearned from23 sentences. A male may knock in a run.Logical formLearned from23 sentences. An injury may knock a male.Logical formLearned from23 sentences. A guy may knock on a door.Logical formLearned from23 sentences. An one may knock on a door.Logical formLearned from22 sentences. Opportunities may knock.Logical formLearned from22 sentences. Someone may knock a door.Logical formLearned from22 sentences.