A male may be knocked on parents.Logical formLearned from6 sentences. A man may knock on a (police van).Logical formLearned from6 sentences. A daughter may be knocked.Logical formLearned from6 sentences. A male may knock a cover off a ball.Logical formLearned from6 sentences. A knock may knock joke.Logical formLearned from6 sentences. A person may see a person may knock a car.Logical formLearned from6 sentences. Tapered (roller bearings) may knock producers.Logical formLearned from6 sentences. Hands may knock at a window.Logical formLearned from6 sentences. A fall may knock profits.Logical formLearned from6 sentences. A person may knock on some wood.Logical formLearned from6 sentences. A team may knock on doors.Logical formLearned from6 sentences. Guys may knock on a door.Logical formLearned from6 sentences. A friend may knock on a door.Logical formLearned from6 sentences. Doors may be knocked.Logical formLearned from6 sentences. An imperative may knock at a door.Logical formLearned from6 sentences.