Complex sentence: Styles defeated Reigns first by countout and later by disqualification but since such a win could not result in a title change, Reigns retained the championship the match was restarted first by Shane McMahon then by Stephanie McMahon before Reigns finally scored a pinfall over Styles.
Split into simpler sentences: Styles defeated Reigns first by countout and later by disqualification but since such wins do not result in a title change, Reigns retained the championship. The match was restarted first by Shane McMahon then by Stephanie McMahon before Reigns finally scored a pinfall over Styles.