A progression can be from a group.Logical formLearned from2 sentences. A relationship can be between (disease progression).Logical formLearned from2 sentences. A chorus may use a progression.Logical formLearned from2 sentences. A variant may pertain-to a progression.Logical formLearned from2 sentences. Progression can be to a stage of a competition.Logical formLearned from2 sentences. A progression may mean that something-is-the-case.Logical formLearned from2 sentences. Mathematics may undergo a progression.Logical formLearned from2 sentences. A (hair loss) may undergo a progression.Logical formLearned from2 sentences. Flames may undergo a progression.Logical formLearned from2 sentences. Progression can be through prophase.Logical formLearned from2 sentences. A chart may undergo a progression.Logical formLearned from2 sentences. Assassinations may undergo a progression.Logical formLearned from2 sentences. (Player progression) may be documented from a stage.Logical formLearned from2 sentences. Some movements may be built on a (chord progression).Logical formLearned from2 sentences. Progression can be in some metres.Logical formLearned from2 sentences.