Knives can be pointed.Logical formLearned from15 sentences. Somebody may stick a knife.Logical formLearned from15 sentences. A knife can be to a gut.Logical formLearned from15 sentences. A person may sleep with a knife.Logical formLearned from15 sentences. Attackers may be armed with knives.Logical formLearned from15 sentences. Knives can be crude.Logical formLearned from15 sentences. A knife can be from a pocket.Logical formLearned from15 sentences. Knives can be weapons.Logical formLearned from15 sentences. A range can be constituted-of-or-filled-with knives.Logical formLearned from15 sentences. Some others can be in a (knife attack).Logical formLearned from15 sentences. A male may threaten a (flight attendant) with a knife.Logical formLearned from15 sentences. A hijacker may be armed with a knife.Logical formLearned from15 sentences. A man may pull a knife.Logical formLearned from15 sentences. Knives may be attached to chains.Logical formLearned from15 sentences. (Blade knives) can be fixed.Logical formLearned from14 sentences.