Complex sentence: Retribution, including a "Good Rain", created as a test subject for the Umbrella Corporation's live tests on the human response to viral outbreaks, and a "Bad Rain", who works for Jill Valentine.
Split into simpler sentences: Retribution, created as a test subject for the Umbrella Corporation's live tests on the human response to viral outbreaks. The clones include both a "Good Rain" and a "Bad Rain", the latter working with Jill Valentine.