A (contract curve) may pertain-to a box.Logical formLearned from3 sentences. Algebraic curves may undergo equations.Logical formLearned from3 sentences. Some women may have curves.Logical formLearned from3 sentences. A (calibration curve) may be developed.Logical formLearned from3 sentences. A female may have a (learning curve).Logical formLearned from3 sentences. Curves can be oriented.Logical formLearned from3 sentences. A graph may be knowned as an (audibility curve).Logical formLearned from3 sentences. An invariant may pertain-to a curve.Logical formLearned from3 sentences. Invariants may pertain-to a curve.Logical formLearned from3 sentences. A (learning curve) can be challenging.Logical formLearned from3 sentences. Curves may be given.Logical formLearned from3 sentences. A track may consist of some curves.Logical formLearned from3 sentences. A (curve c) can be smooth.Logical formLearned from3 sentences. A curve can be northerly.Logical formLearned from3 sentences. A curve can be a curve of figure.Logical formLearned from3 sentences.