Complex sentence: In 1998 the parent company, Allegheny Health Education and Research Foundation, declared bankruptcy and Tenet Healthcare Corporation acquired its holdings, which included Hahnemann University Hospital and other regional hospitals, such as Roxborough Memorial Hospital, St. Christopher's Hospital for Children and Warminster Hospital.
Split into simpler sentences: In 1998 the parent company, Allegheny Health Education and Research Foundation, declared bankruptcy and Tenet Healthcare Corporation acquired its holdings. These holdings included Hahnemann University Hospital and other regional hospitals, such as Roxborough Memorial Hospital, St. Christopher's Hospital for Children and Warminster Hospital.