Complex sentence: In 2001 one of the cars of the Angel's Flight Funicular in Los Angeles suddenly lost cable tension which caused one car to collide with another car, killing 1 and injuring 7.
Split into simpler sentences: In 2001 one of the cars of the Angel's Flight Funicular in Los Angeles suddenly lost cable tension. This caused one car to collide with another car, killing 1 and injuring 7.