A (yield curve) may have a slope.Logical formLearned from7 sentences. A (learning curve) can be serious.Logical formLearned from7 sentences. Life may throw a person some (curve balls).Logical formLearned from7 sentences. A curve can be strict.Logical formLearned from7 sentences. A (curve ball) can be nice.Logical formLearned from7 sentences. Curve can be in color.Logical formLearned from7 sentences. Curves can be stubborn.Logical formLearned from7 sentences. A curve may pertain-to a bridge.Logical formLearned from7 sentences. An evolute may pertain-to a curve.Logical formLearned from7 sentences. Curves may suggest that something-is-the-case.Logical formLearned from7 sentences. A downside may pertain-to a curve.Logical formLearned from7 sentences. A roof may pertain-to a curve.Logical formLearned from7 sentences. A (yield curve) may pertain-to today.Logical formLearned from7 sentences. A (yield curve) may undergo a development.Logical formLearned from7 sentences. Persons can be behind a (power curve).Logical formLearned from7 sentences.