A (spiral pattern) can be bright.Logical formLearned from3 sentences. Galaxies can be spirals.Logical formLearned from3 sentences. (Spiral galaxies) can be opaque.Logical formLearned from3 sentences. A spiral may push inflation.Logical formLearned from3 sentences. (Oil prices) may touch_off a spiral.Logical formLearned from3 sentences. A downward spiral may develop.Logical formLearned from3 sentences. A spiral may turn.Logical formLearned from3 sentences. (Spiral arms) can be uneven.Logical formLearned from3 sentences. Clusters of young stars may be seen in (spiral arms).Logical formLearned from3 sentences. Emission can be in (spiral galaxies).Logical formLearned from3 sentences. A (spiral manual) can be best-selling.Logical formLearned from3 sentences. Prices may create a vicious spiral of profits.Logical formLearned from3 sentences. A spiral can be constituted-of-or-filled-with development.Logical formLearned from3 sentences. A spiral can be ecological.Logical formLearned from3 sentences. (Spiral cts) may pick_up tumors.Logical formLearned from3 sentences.