A progression can be from flashing bulbs.Logical formLearned from1 sentences. A progression can be into public service.Logical formLearned from1 sentences. A male may script a progression of events.Logical formLearned from1 sentences. A progression may pertain-to teenagers.Logical formLearned from1 sentences. (Cigarette smoking) may contribute to a progression to (drug use).Logical formLearned from1 sentences. Treatment may delay progression.Logical formLearned from1 sentences. A progression of a disease can be easy.Logical formLearned from1 sentences. A course can be a natural progression.Logical formLearned from1 sentences. Policy may undergo a progression.Logical formLearned from1 sentences. A rate of progression may hold true.Logical formLearned from1 sentences. A progression may consider that something-is-the-case.Logical formLearned from1 sentences. Chips may undergo a progression.Logical formLearned from1 sentences. (Pc brains) may undergo a progression.Logical formLearned from1 sentences. A progression can be nasty.Logical formLearned from1 sentences. A guitar may sketch a progression.Logical formLearned from1 sentences.