Complex sentence: A new building was opened in 2000 to replace the aging red-brick PA Hospital complex built in the 1950s, which was opened by and named after HRH Princess Alexandra of the United Kingdom in 1959, to mark the Centennial of Queensland.
Split into simpler sentences: A new building was opened in 2000 to replace the aging red-brick PA Hospital complex built in the 1950s. The hospital was opened by and named after HRH Princess Alexandra of the United Kingdom in 1959, to mark the Centennial of Queensland.