Characteristics may pertain-to a class.Logical formLearned from45 sentences. Characteristics can be defined.Logical formLearned from45 sentences. Characteristics can be nonlinear.Logical formLearned from45 sentences. Characteristics can be constituted-of-or-filled-with systems.Logical formLearned from45 sentences. A characteristic can be sexual.Logical formLearned from45 sentences. Characteristics may pertain-to a region.Logical formLearned from44 sentences. Characteristics may pertain-to an instrument.Logical formLearned from44 sentences. Regard can be to characteristics.Logical formLearned from44 sentences. Characteristics may be considered.Logical formLearned from44 sentences. A characteristic may pertain-to a field.Logical formLearned from43 sentences. Characteristics can be topographic.Logical formLearned from43 sentences. Characteristics may pertain-to species.Logical formLearned from43 sentences. Characteristics may pertain-to devices.Logical formLearned from43 sentences. A characteristic may cheat against a foot.Logical formLearned from43 sentences. Differences can be in characteristics.Logical formLearned from43 sentences.