Complex sentence: Hurley attempts to stall Jack, as Jacob had warned him of the attack at the temple, but they come across Richard Alpert (Nestor Carbonell), who leads them to the grounded 18th century slave ship, "Black Rock".
Split into simpler sentences: Hurley attempts to stall Jack, as Jacob had warned him of the attack at the temple. But they come across Richard Alpert (Nestor Carbonell), who leads them to the grounded 18th century slave ship, "Black Rock".