A knife can be on the ground.Logical formLearned from11 sentences. A knife may be removed.Logical formLearned from11 sentences. A (kitchen knife) may pertain-to a female.Logical formLearned from11 sentences. Young persons may carry knives.Logical formLearned from11 sentences. A (pocket knife) may pertain-to a military-or-other-action-organization.Logical formLearned from11 sentences. Knives can be used.Logical formLearned from11 sentences. A male may lower a knife.Logical formLearned from11 sentences. A female may draw a knife.Logical formLearned from11 sentences. A knife can be stupid.Logical formLearned from11 sentences. (Kitchen knives) can be sharp.Logical formLearned from11 sentences. A knife may be made.Logical formLearned from11 sentences. Control may pertain-to a knife.Logical formLearned from11 sentences. A female may take_out a knife.Logical formLearned from11 sentences. A knife can be plain.Logical formLearned from11 sentences. Someone may stab a person with a knife.Logical formLearned from11 sentences.