A person may knock on a wall.Logical formLearned from10 sentences. Knees may be knocked.Logical formLearned from10 sentences. A person may knock on a glass.Logical formLearned from10 sentences. A person may knock on doors of colleagues.Logical formLearned from10 sentences. Host may knock on a door.Logical formLearned from10 sentences. A male may knock at a window.Logical formLearned from10 sentences. Individual may knock.Logical formLearned from10 sentences. The world may knock at a door.Logical formLearned from10 sentences. Cats may knock number.Logical formLearned from10 sentences. A female may knock on a door.Logical formLearned from10 sentences. Some (district officials) may knock on some doors.Logical formLearned from10 sentences. Someone may knock against vis-a-vis.Logical formLearned from10 sentences. Purple heart may knock discovery a sodom.Logical formLearned from10 sentences. A dead heat may knock.Logical formLearned from10 sentences. A landlord may knock on a door.Logical formLearned from10 sentences.