Complex sentence: Ash grabs Pikachu and dives down a waterfall in order to escape from the flock of Spearow, and the two are fished out by a young girl named Misty, who tells Ash to take the injured Pikachu to the Pokémon Center in Viridian City.
Split into simpler sentences: Ash grabs Pikachu and dives down a waterfall in order to escape from the flock of Spearow. They are fished out by a young girl named Misty, who tells Ash to take the injured Pikachu to a Pokémon Center in Viridian City.