Complex sentence: The 4th ASEAN ParaGames is a biannual multi-sport event held after every Southeast Asian Games for athletes with physical disabilities from the Association of Southeast Asian Nations (ASEAN).
Split into simpler sentences: The 4th ASEAN ParaGames is a biannual multi-sport event held after every Southeast Asian Games for athletes with physical disabilities. The games are participated by the members of Association of Southeast Asian Nations (ASEAN).