Complex sentence: Typological interpretation of this story holds that it prefigures Christ's burial, the stomach of the fish representing Christ's tomb: as Jonah exited from the fish after three days and three nights, so did Christ rise from His tomb on the third day.
Split into simpler sentences: Typological interpretation of this story holds that it prefigures Christ's burial and resurrection. The stomach of the fish represented Christ's tomb; as Jonah exited from the fish after three days and three nights, so did Christ rise from His tomb on the third day.