Complex sentence: In 1971, Stephen Speilberg made his first feature length move, Duel, along the Sierra Highway near Acton about an anonymous truck driver that stalks and attempts to kill an innocent motorist caught in the truck driver's game.
Split into simpler sentences: In 1971, Stephen Speilberg made his first feature length move, Duel, along the Sierra Highway, near Acton. The movie is about an anonymous truck driver that stalks, attempts to kill an innocent motorist caught in the truck driver's game.