Complex sentence: Xander Harris is reading Jack Kerouac's On the Road, which inspires to him to go on a road trip after graduation, however he only makes it as far as Oxnard when his car breaks down.
Split into simpler sentences: Xander Harris is reading Jack Kerouac's On the Road, which inspires to him to go on a road trip after graduation. However he only makes it as far as Oxnard when his car breaks down.