A lineage may undergo an evolution.Logical formLearned from21 sentences. A chemical evolution may pertain-to a galaxy.Logical formLearned from21 sentences. (Star clusters) may undergo an evolution.Logical formLearned from21 sentences. Climate may undergo an evolution.Logical formLearned from21 sentences. An evolution can be gradual.Logical formLearned from21 sentences. Higher education may undergo an evolution.Logical formLearned from21 sentences. An evolution can be slow.Logical formLearned from21 sentences. A (product line) may undergo an evolution.Logical formLearned from21 sentences. Evolution can be correct.Logical formLearned from21 sentences. Evolution can be controversial.Logical formLearned from21 sentences. Photography may undergo an evolution.Logical formLearned from21 sentences. Research can be on evolution.Logical formLearned from20 sentences. A picture may show an evolution.Logical formLearned from20 sentences. Film may undergo an evolution.Logical formLearned from20 sentences. A homo may undergo an evolution.Logical formLearned from20 sentences.