Competition may undergo an evolution.Logical formLearned from6 sentences. Careers may undergo an evolution.Logical formLearned from6 sentences. A singer may undergo an evolution.Logical formLearned from6 sentences. An evolution can be difficult.Logical formLearned from6 sentences. Evolution may leave little to chance.Logical formLearned from6 sentences. A catalyst can be for an evolution.Logical formLearned from6 sentences. A tender may pertain-to an evolution.Logical formLearned from6 sentences. Training may undergo an evolution.Logical formLearned from6 sentences. A person may blame evolution.Logical formLearned from6 sentences. Evolution can be in (science class).Logical formLearned from6 sentences. Evolution may become a basis.Logical formLearned from6 sentences. A (family sedan) may undergo an evolution.Logical formLearned from6 sentences. A (bread car) may become an evolution of a (family sedan).Logical formLearned from6 sentences. An evolution may pertain-to a canyon.Logical formLearned from6 sentences. A law may ban teaching of evolution.Logical formLearned from6 sentences.