Copies of letters may be classified.Logical formLearned from1 sentences. Detainees may be classified.Logical formLearned from1 sentences. Rates of (airport screeners) may be classified.Logical formLearned from1 sentences. Rules may classify some regions.Logical formLearned from1 sentences. A trip may be classified.Logical formLearned from1 sentences. An (apartheid system) may classify persons by race.Logical formLearned from1 sentences. A person may classify some plants.Logical formLearned from1 sentences. A government-agency may classify a piece of paper.Logical formLearned from1 sentences. Toxicologists may classify ricin.Logical formLearned from1 sentences. A male may be classified at a top of a scale.Logical formLearned from1 sentences. Companies may classify behaviors.Logical formLearned from1 sentences. Companies may classify cases.Logical formLearned from1 sentences. Some abductions may be classified as a kind.Logical formLearned from1 sentences. Positions may be classified in a (gs-334 series).Logical formLearned from1 sentences. Skin may classify a female.Logical formLearned from1 sentences.