Original sentence: He died in his Queens apartment alone on August 6, 1931, at 9:30 in the evening from alcohol withdrawal, just 28 years old.The official cause of his death was "lobar pneumonia" and "brain edema"
Edited sentence: He died in his Queens apartment alone on August 6, 1931, at 9:30 in the evening from unknown causes, just 28 years old.The official cause of his death was "lobar pneumonia" and "brain edema", though the exact cause is unknown to this day