(Spiral open stairs) can be suitable for children.Logical formLearned from5 sentences. (Spiral staircase) may lead to loft.Logical formLearned from5 sentences. A downward spiral can be for a person.Logical formLearned from5 sentences. A downward spiral may get worse.Logical formLearned from5 sentences. A (housing market) can be in a downward spiral.Logical formLearned from5 sentences. A (spiral staircase) may pertain-to a person.Logical formLearned from5 sentences. Clouds may form into (spiral patterns).Logical formLearned from5 sentences. A book may show a downward spiral.Logical formLearned from5 sentences. Some flights can be constituted-of-or-filled-with (spiral stairs).Logical formLearned from5 sentences. A spiral can be prolonged.Logical formLearned from5 sentences. A spiral can be constituted-of-or-filled-with activity.Logical formLearned from5 sentences. A person may begin a downward spiral.Logical formLearned from5 sentences. An end may pertain-to a downward spiral.Logical formLearned from5 sentences. A spiral may drive_up an (inflation rate).Logical formLearned from5 sentences. A deflationary spiral of prices can be likely.Logical formLearned from5 sentences.