A toxicity of nickel may be classified into some categories.Logical formLearned from2 sentences. Foods may be classified into some categories.Logical formLearned from2 sentences. Issues may be classified into some categories.Logical formLearned from2 sentences. An approach may be classified.Logical formLearned from2 sentences. Molecules may be classified.Logical formLearned from2 sentences. (Chemical agents) may be classified into categories.Logical formLearned from2 sentences. Nutrients may be classified as a vitamin.Logical formLearned from2 sentences. (Milk marketing orders) may classify milk by use.Logical formLearned from2 sentences. An additive may be classified as a natural.Logical formLearned from2 sentences. Some percent of manufacturers may be classified as small businesses.Logical formLearned from2 sentences. A product may be classified.Logical formLearned from2 sentences. Milk may be classified as milk.Logical formLearned from2 sentences. A government-agency may classify as (information services).Logical formLearned from2 sentences. A company may classify a person.Logical formLearned from2 sentences. A spatial subdivision may classify polygons of a scene.Logical formLearned from2 sentences.