Progression can be into carcinoma.Logical formLearned from2 sentences. A progression can be fossil.Logical formLearned from2 sentences. Verses may use a (chord progression).Logical formLearned from2 sentences. A progression can be from a predecessor.Logical formLearned from2 sentences. An avian-flu virus may undergo a progression.Logical formLearned from2 sentences. A delay can be in (cell cycle progression).Logical formLearned from2 sentences. Mental retardation may undergo a progression.Logical formLearned from2 sentences. Some season may mark a (career progression).Logical formLearned from2 sentences. Requirements can be for a progression.Logical formLearned from2 sentences. Works may undergo a progression.Logical formLearned from2 sentences. A (summer season) may undergo a progression.Logical formLearned from2 sentences. An edema may undergo a progression.Logical formLearned from2 sentences. A progression may confirm that something-is-the-case.Logical formLearned from2 sentences. A progression may pertain-to a field.Logical formLearned from2 sentences. A progression can be in faith.Logical formLearned from2 sentences.