A knife can be in hand.Logical formLearned from18 sentences. A knife may be hid.Logical formLearned from18 sentences. A sharp edge may pertain-to a knife.Logical formLearned from18 sentences. A knife can be at a weekend.Logical formLearned from18 sentences. A knife can be fatal.Logical formLearned from18 sentences. A knife may pertain-to a doctor.Logical formLearned from18 sentences. A knife may be sharpened.Logical formLearned from18 sentences. A (hunting knife) may pertain-to a person.Logical formLearned from18 sentences. Some officers may be killed in a (knife attack).Logical formLearned from18 sentences. War can be to a knife.Logical formLearned from18 sentences. Knives can be global.Logical formLearned from18 sentences. A person may wield a knife.Logical formLearned from18 sentences. A killer may prowl_around with a (butcher knife).Logical formLearned from18 sentences. A knife can be regular.Logical formLearned from18 sentences. A knife can be sacred.Logical formLearned from18 sentences.