Which sentence uses punctuation correctly?
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Carla’s Funko Pop collection was almost complete: she just needed Shuri from Black Panther and then she would have all of her favorite characters.

Carla’s Funko Pop collection was almost complete. She just needed Shuri from Black Panther: then she would have all of her favorite characters.

Carla’s Funko Pop collection was almost complete, she just needed Shuri: from Black Panther and then she would have all of her favorite characters.

Carla’s Funko Pop collection was almost complete; she just needed Shuri from Black Panther, and then she would have all of her favorite characters.