Complex sentence: The University of Caloocan City was formed in 2004 out of Caloocan City Polytechnic College (CCPC), which started as a two-year course college in 1971 and offered four-year courses in 1975.
Split into simpler sentences: The University of Caloocan City was formed in 2004 out of Caloocan City Polytechnic College, which had been founded in 1971. CCPC or Caloocan City Polytechnic College started as a two-year course college in 1971 and offered four-year courses in 1975.