A knife may kill a person.Logical formLearned from9 sentences. A knife can be stained.Logical formLearned from9 sentences. Knives may undergo a production.Logical formLearned from9 sentences. A knife may pertain-to an assassin.Logical formLearned from9 sentences. A male may put a knife.Logical formLearned from9 sentences. A knife can be shaped.Logical formLearned from9 sentences. A knife may undergo a purchase.Logical formLearned from9 sentences. A knife can be a weapon.Logical formLearned from9 sentences. Sides may pertain-to a knife.Logical formLearned from9 sentences. A father may undergo a (hunting knife).Logical formLearned from9 sentences. A knife can be slim.Logical formLearned from9 sentences. Someone may wield a knife.Logical formLearned from9 sentences. A knife may come_out clean.Logical formLearned from9 sentences. A knife can be rusted.Logical formLearned from9 sentences. A male may take_up a knife.Logical formLearned from9 sentences.