Complex sentence: The Huria Kristen Batak Protestan (HKBP), which translates into the Batak Christian Protestant Church, is the largest Protestant denomination in Indonesia, with a a reported membership of almost three million faithful.
Split into simpler sentences: The Huria Kristen Batak Protestant (HKBP), which translates into the Batak Christian Protestant Church, is the largest Protestant church in Indonesia. It has a reported membership of almost three million faithful.