Complex sentence: As he was returning with the hind, Heracles encountered Artemis and her twin, Apollo, and begged the goddess for forgiveness, explaining that he had to catch it as part of his penance, but he promised to return it.
Split into simpler sentences: As he was returning with the hind, Heracles encountered Artemis and her twin, Apollo. He begged the goddess for forgiveness, explaining that he had to catch it as part of his penance, but he promised to return it.