Complex sentence: Inoue was born in what is now part of Kawanishi in Yamagata Prefecture, where his father was a pharmacist, who was also involved in an agrarian reform movement and who managed a local drama troupe.
Split into simpler sentences: Inoue was born in what is now part of Kawanishi in Yamagata Prefecture, where his father was a pharmacist. His father was involved in an agrarian reform movement and also managed a local drama troupe.