Complex sentence: Shane Sewell returned to the IWA for their Christmas in PR event, but left after Juicio Final to appear in the PRWA (Puerto Rico Wrestling Association) in April 2010.
Split into simpler sentences: Shane Sewell returned to the IWA for their Christmas in PR event. Shane leaves IWA after Juicio Final and appeared in PRWA (Puerto Rico Wrestling Association) show in April 2010.