Some cars may be knocked across a street.Logical formLearned from10 sentences. A country may knock at a door.Logical formLearned from10 sentences. A 21-year-old may be knocked.Logical formLearned from10 sentences. A side may knock a country.Logical formLearned from10 sentences. A male may be knocked on a head.Logical formLearned from9 sentences. A referee may be knocked unconscious.Logical formLearned from9 sentences. A man may knock a male.Logical formLearned from9 sentences. A student may knock on a door.Logical formLearned from9 sentences. A person may knock a pencil.Logical formLearned from9 sentences. Someone may knock a male.Logical formLearned from9 sentences. A male may knock at a gate.Logical formLearned from9 sentences. A deity may knock on a door.Logical formLearned from9 sentences. A male may knock socks.Logical formLearned from9 sentences. Opportunity may knock (game show).Logical formLearned from9 sentences. Penthouse may knock on a door.Logical formLearned from9 sentences.